diff --git a/src/storm/logic/CloneVisitor.cpp b/src/storm/logic/CloneVisitor.cpp
index cb24e7d8b..8c8d82ca2 100644
--- a/src/storm/logic/CloneVisitor.cpp
+++ b/src/storm/logic/CloneVisitor.cpp
@@ -76,30 +76,36 @@ namespace storm {
                 return std::static_pointer_cast<Formula>(std::make_shared<EventuallyFormula>(subformula, f.getContext()));
             }
         }
-        
+
         boost::any CloneVisitor::visit(TimeOperatorFormula const& f, boost::any const& data) const {
             std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, data));
             return std::static_pointer_cast<Formula>(std::make_shared<TimeOperatorFormula>(subformula, f.getOperatorInformation()));
         }
-        
+
         boost::any CloneVisitor::visit(GloballyFormula const& f, boost::any const& data) const {
             std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, data));
             return std::static_pointer_cast<Formula>(std::make_shared<GloballyFormula>(subformula));
         }
-        
+
+        boost::any CloneVisitor::visit(GameFormula const& f, boost::any const& data) const {
+            STORM_PRINT_AND_LOG("CloneVisitor called for GameFormula\n");
+            std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, data));
+            return std::static_pointer_cast<Formula>(std::make_shared<GameFormula>(f.getCoalition(), subformula));
+        }
+
         boost::any CloneVisitor::visit(InstantaneousRewardFormula const& f, boost::any const&) const {
             return std::static_pointer_cast<Formula>(std::make_shared<InstantaneousRewardFormula>(f));
         }
-        
+
         boost::any CloneVisitor::visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const {
             std::shared_ptr<Formula> subformula = boost::any_cast<std::shared_ptr<Formula>>(f.getSubformula().accept(*this, data));
             return std::static_pointer_cast<Formula>(std::make_shared<LongRunAverageOperatorFormula>(subformula, f.getOperatorInformation()));
         }
-        
+
         boost::any CloneVisitor::visit(LongRunAverageRewardFormula const& f, boost::any const&) const {
             return std::static_pointer_cast<Formula>(std::make_shared<LongRunAverageRewardFormula>(f));
         }
-        
+
         boost::any CloneVisitor::visit(MultiObjectiveFormula const& f, boost::any const& data) const {
             std::vector<std::shared_ptr<Formula const>> subformulas;
             for(auto const& subF : f.getSubformulas()){
diff --git a/src/storm/logic/CloneVisitor.h b/src/storm/logic/CloneVisitor.h
index 4b1d620ee..5ff29e816 100644
--- a/src/storm/logic/CloneVisitor.h
+++ b/src/storm/logic/CloneVisitor.h
@@ -22,6 +22,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
diff --git a/src/storm/logic/Formula.cpp b/src/storm/logic/Formula.cpp
index 58970c77b..0a310713d 100644
--- a/src/storm/logic/Formula.cpp
+++ b/src/storm/logic/Formula.cpp
@@ -14,313 +14,317 @@ namespace storm {
         bool Formula::isPathFormula() const {
             return false;
         }
-        
+
         bool Formula::isStateFormula() const {
             return false;
         }
-        
+
         bool Formula::isMultiObjectiveFormula() const {
             return false;
         }
-        
+
         bool Formula::isQuantileFormula() const {
             return false;
         }
-        
+
         bool Formula::isBinaryStateFormula() const {
             return false;
         }
-        
+
         bool Formula::isUnaryStateFormula() const {
             return false;
         }
-        
+
         bool Formula::isBinaryBooleanStateFormula() const {
             return false;
         }
-        
+
         bool Formula::isUnaryBooleanStateFormula() const {
             return false;
         }
-        
+
         bool Formula::isBooleanLiteralFormula() const {
             return false;
         }
-        
+
         bool Formula::isTrueFormula() const {
             return false;
         }
-        
+
         bool Formula::isFalseFormula() const {
             return false;
         }
-        
+
         bool Formula::isAtomicExpressionFormula() const {
             return false;
         }
-        
+
         bool Formula::isAtomicLabelFormula() const {
             return false;
         }
-        
+
         bool Formula::isUntilFormula() const {
             return false;
         }
-        
+
         bool Formula::isBoundedUntilFormula() const {
             return false;
         }
-        
+
         bool Formula::isEventuallyFormula() const {
             return false;
         }
-        
+
         bool Formula::isReachabilityProbabilityFormula() const {
             return false;
         }
-        
+
         bool Formula::isGloballyFormula() const {
             return false;
         }
-        
+
         bool Formula::isBinaryPathFormula() const {
             return false;
         }
-        
+
         bool Formula::isUnaryPathFormula() const {
             return false;
         }
-        
+
         bool Formula::isConditionalProbabilityFormula() const {
             return false;
         }
-        
+
         bool Formula::isConditionalRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isProbabilityPathFormula() const {
             return false;
         }
-        
+
         bool Formula::isRewardPathFormula() const {
             return false;
         }
-        
+
         bool Formula::isTimePathFormula() const {
             return false;
         }
-        
+
         bool Formula::isNextFormula() const {
             return false;
         }
-        
+
         bool Formula::isLongRunAverageOperatorFormula() const {
             return false;
         }
-        
+
         bool Formula::isTimeOperatorFormula() const {
             return false;
         }
-        
+
         bool Formula::isCumulativeRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isInstantaneousRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isReachabilityRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isLongRunAverageRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isTotalRewardFormula() const {
             return false;
         }
-        
+
         bool Formula::isReachabilityTimeFormula() const {
             return false;
         }
-        
+
+        bool Formula::isGameFormula() const {
+            return false;
+        }
+
         bool Formula::isProbabilityOperatorFormula() const {
             return false;
         }
-        
+
         bool Formula::isRewardOperatorFormula() const {
             return false;
         }
-        
+
         bool Formula::isOperatorFormula() const {
             return false;
         }
-        
+
         bool Formula::hasQualitativeResult() const {
             return true;
         }
-        
+
         bool Formula::hasQuantitativeResult() const {
             return false;
         }
-        
+
         bool Formula::isInFragment(FragmentSpecification const& fragment) const {
             FragmentChecker checker;
             return checker.conformsToSpecification(*this, fragment);
         }
-        
+
         FormulaInformation Formula::info() const {
             FormulaInformationVisitor visitor;
             return visitor.getInformation(*this);
         }
-        
+
         std::shared_ptr<Formula const> Formula::getTrueFormula() {
             return std::shared_ptr<Formula const>(new BooleanLiteralFormula(true));
         }
-        
+
         bool Formula::isInitialFormula() const {
             return this->isAtomicLabelFormula() && this->asAtomicLabelFormula().getLabel() == "init";
         }
-        
+
         PathFormula& Formula::asPathFormula() {
             return dynamic_cast<PathFormula&>(*this);
         }
-        
+
         PathFormula const& Formula::asPathFormula() const {
             return dynamic_cast<PathFormula const&>(*this);
         }
-        
+
         StateFormula& Formula::asStateFormula() {
             return dynamic_cast<StateFormula&>(*this);
         }
-        
+
         StateFormula const& Formula::asStateFormula() const {
             return dynamic_cast<StateFormula const&>(*this);
         }
-        
+
         MultiObjectiveFormula& Formula::asMultiObjectiveFormula() {
             return dynamic_cast<MultiObjectiveFormula&>(*this);
         }
-        
+
         MultiObjectiveFormula const& Formula::asMultiObjectiveFormula() const {
             return dynamic_cast<MultiObjectiveFormula const&>(*this);
         }
-        
+
         QuantileFormula& Formula::asQuantileFormula() {
             return dynamic_cast<QuantileFormula&>(*this);
         }
-        
+
         QuantileFormula const& Formula::asQuantileFormula() const {
             return dynamic_cast<QuantileFormula const&>(*this);
         }
-        
+
         BinaryStateFormula& Formula::asBinaryStateFormula() {
             return dynamic_cast<BinaryStateFormula&>(*this);
         }
-        
+
         BinaryStateFormula const& Formula::asBinaryStateFormula() const {
             return dynamic_cast<BinaryStateFormula const&>(*this);
         }
-        
+
         UnaryStateFormula& Formula::asUnaryStateFormula() {
             return dynamic_cast<UnaryStateFormula&>(*this);
         }
-        
+
         UnaryStateFormula const& Formula::asUnaryStateFormula() const {
             return dynamic_cast<UnaryStateFormula const&>(*this);
         }
-        
+
         ConditionalFormula& Formula::asConditionalFormula() {
             return dynamic_cast<ConditionalFormula&>(*this);
         }
-        
+
         ConditionalFormula const& Formula::asConditionalFormula() const {
             return dynamic_cast<ConditionalFormula const&>(*this);
         }
-        
+
         BinaryBooleanStateFormula& Formula::asBinaryBooleanStateFormula() {
             return dynamic_cast<BinaryBooleanStateFormula&>(*this);
         }
-        
+
         BinaryBooleanStateFormula const& Formula::asBinaryBooleanStateFormula() const {
             return dynamic_cast<BinaryBooleanStateFormula const&>(*this);
         }
-        
+
         UnaryBooleanStateFormula& Formula::asUnaryBooleanStateFormula() {
             return dynamic_cast<UnaryBooleanStateFormula&>(*this);
         }
-        
+
         UnaryBooleanStateFormula const& Formula::asUnaryBooleanStateFormula() const {
             return dynamic_cast<UnaryBooleanStateFormula const&>(*this);
         }
-        
+
         BooleanLiteralFormula& Formula::asBooleanLiteralFormula() {
             return dynamic_cast<BooleanLiteralFormula&>(*this);
         }
-        
+
         BooleanLiteralFormula const& Formula::asBooleanLiteralFormula() const {
             return dynamic_cast<BooleanLiteralFormula const&>(*this);
         }
-        
+
         AtomicExpressionFormula& Formula::asAtomicExpressionFormula() {
             return dynamic_cast<AtomicExpressionFormula&>(*this);
         }
-        
+
         AtomicExpressionFormula const& Formula::asAtomicExpressionFormula() const {
             return dynamic_cast<AtomicExpressionFormula const&>(*this);
         }
-        
+
         AtomicLabelFormula& Formula::asAtomicLabelFormula() {
             return dynamic_cast<AtomicLabelFormula&>(*this);
         }
-        
+
         AtomicLabelFormula const& Formula::asAtomicLabelFormula() const {
             return dynamic_cast<AtomicLabelFormula const&>(*this);
         }
-        
+
         UntilFormula& Formula::asUntilFormula() {
             return dynamic_cast<UntilFormula&>(*this);
         }
-        
+
         UntilFormula const& Formula::asUntilFormula() const {
             return dynamic_cast<UntilFormula const&>(*this);
         }
-        
+
         BoundedUntilFormula& Formula::asBoundedUntilFormula() {
             return dynamic_cast<BoundedUntilFormula&>(*this);
         }
-        
+
         BoundedUntilFormula const& Formula::asBoundedUntilFormula() const {
             return dynamic_cast<BoundedUntilFormula const&>(*this);
         }
-        
+
         EventuallyFormula& Formula::asEventuallyFormula() {
             return dynamic_cast<EventuallyFormula&>(*this);
         }
-        
+
         EventuallyFormula const& Formula::asEventuallyFormula() const {
             return dynamic_cast<EventuallyFormula const&>(*this);
         }
-        
+
         EventuallyFormula& Formula::asReachabilityRewardFormula() {
             return dynamic_cast<EventuallyFormula&>(*this);
         }
-        
+
         EventuallyFormula const& Formula::asReachabilityRewardFormula() const {
             return dynamic_cast<EventuallyFormula const&>(*this);
         }
-        
+
         EventuallyFormula& Formula::asReachabilityProbabilityFormula() {
             return dynamic_cast<EventuallyFormula&>(*this);
         }
-        
+
         EventuallyFormula const& Formula::asReachabilityProbabilityFormula() const {
             return dynamic_cast<EventuallyFormula const&>(*this);
         }
-        
+
         EventuallyFormula& Formula::asReachabilityTimeFormula() {
             return dynamic_cast<EventuallyFormula&>(*this);
         }
@@ -328,160 +332,160 @@ namespace storm {
         EventuallyFormula const& Formula::asReachabilityTimeFormula() const {
             return dynamic_cast<EventuallyFormula const&>(*this);
         }
-        
+
         GloballyFormula& Formula::asGloballyFormula() {
             return dynamic_cast<GloballyFormula&>(*this);
         }
-        
+
         GloballyFormula const& Formula::asGloballyFormula() const {
             return dynamic_cast<GloballyFormula const&>(*this);
         }
-        
+
         BinaryPathFormula& Formula::asBinaryPathFormula() {
             return dynamic_cast<BinaryPathFormula&>(*this);
         }
-        
+
         BinaryPathFormula const& Formula::asBinaryPathFormula() const {
             return dynamic_cast<BinaryPathFormula const&>(*this);
         }
-        
+
         UnaryPathFormula& Formula::asUnaryPathFormula() {
             return dynamic_cast<UnaryPathFormula&>(*this);
         }
-        
+
         UnaryPathFormula const& Formula::asUnaryPathFormula() const {
             return dynamic_cast<UnaryPathFormula const&>(*this);
         }
-        
+
         NextFormula& Formula::asNextFormula() {
             return dynamic_cast<NextFormula&>(*this);
         }
-        
+
         NextFormula const& Formula::asNextFormula() const {
             return dynamic_cast<NextFormula const&>(*this);
         }
-        
+
         LongRunAverageOperatorFormula& Formula::asLongRunAverageOperatorFormula() {
             return dynamic_cast<LongRunAverageOperatorFormula&>(*this);
         }
-        
+
         LongRunAverageOperatorFormula const& Formula::asLongRunAverageOperatorFormula() const {
             return dynamic_cast<LongRunAverageOperatorFormula const&>(*this);
         }
-        
+
         TimeOperatorFormula& Formula::asTimeOperatorFormula() {
             return dynamic_cast<TimeOperatorFormula&>(*this);
         }
-        
+
         TimeOperatorFormula const& Formula::asTimeOperatorFormula() const {
             return dynamic_cast<TimeOperatorFormula const&>(*this);
         }
-        
+
         CumulativeRewardFormula& Formula::asCumulativeRewardFormula() {
             return dynamic_cast<CumulativeRewardFormula&>(*this);
         }
-        
+
         CumulativeRewardFormula const& Formula::asCumulativeRewardFormula() const {
             return dynamic_cast<CumulativeRewardFormula const&>(*this);
         }
-        
+
         TotalRewardFormula& Formula::asTotalRewardFormula() {
             return dynamic_cast<TotalRewardFormula&>(*this);
         }
-        
+
         TotalRewardFormula const& Formula::asTotalRewardFormula() const {
             return dynamic_cast<TotalRewardFormula const&>(*this);
         }
-        
+
         InstantaneousRewardFormula& Formula::asInstantaneousRewardFormula() {
             return dynamic_cast<InstantaneousRewardFormula&>(*this);
         }
-        
+
         InstantaneousRewardFormula const& Formula::asInstantaneousRewardFormula() const {
             return dynamic_cast<InstantaneousRewardFormula const&>(*this);
         }
-                
+
         LongRunAverageRewardFormula& Formula::asLongRunAverageRewardFormula() {
             return dynamic_cast<LongRunAverageRewardFormula&>(*this);
         }
-        
+
         LongRunAverageRewardFormula const& Formula::asLongRunAverageRewardFormula() const {
             return dynamic_cast<LongRunAverageRewardFormula const&>(*this);
         }
-        
+
         ProbabilityOperatorFormula& Formula::asProbabilityOperatorFormula() {
             return dynamic_cast<ProbabilityOperatorFormula&>(*this);
         }
-        
+
         ProbabilityOperatorFormula const& Formula::asProbabilityOperatorFormula() const {
             return dynamic_cast<ProbabilityOperatorFormula const&>(*this);
         }
-        
+
         RewardOperatorFormula& Formula::asRewardOperatorFormula() {
             return dynamic_cast<RewardOperatorFormula&>(*this);
         }
-        
+
         RewardOperatorFormula const& Formula::asRewardOperatorFormula() const {
             return dynamic_cast<RewardOperatorFormula const&>(*this);
         }
-        
+
         OperatorFormula& Formula::asOperatorFormula() {
             return dynamic_cast<OperatorFormula&>(*this);
         }
-        
+
         OperatorFormula const& Formula::asOperatorFormula() const {
             return dynamic_cast<OperatorFormula const&>(*this);
         }
-        
+
         std::vector<std::shared_ptr<AtomicExpressionFormula const>> Formula::getAtomicExpressionFormulas() const {
             std::vector<std::shared_ptr<AtomicExpressionFormula const>> result;
             this->gatherAtomicExpressionFormulas(result);
             return result;
         }
-        
+
         std::vector<std::shared_ptr<AtomicLabelFormula const>> Formula::getAtomicLabelFormulas() const {
             std::vector<std::shared_ptr<AtomicLabelFormula const>> result;
             this->gatherAtomicLabelFormulas(result);
             return result;
         }
-        
+
         std::set<storm::expressions::Variable> Formula::getUsedVariables() const {
             std::set<storm::expressions::Variable> usedVariables;
             this->gatherUsedVariables(usedVariables);
             return usedVariables;
         }
-        
+
         std::set<std::string> Formula::getReferencedRewardModels() const {
             std::set<std::string> referencedRewardModels;
             this->gatherReferencedRewardModels(referencedRewardModels);
             return referencedRewardModels;
         }
-        
+
         std::shared_ptr<Formula> Formula::substitute(std::map<storm::expressions::Variable, storm::expressions::Expression> const& substitution) const {
             storm::expressions::JaniExpressionSubstitutionVisitor<std::map<storm::expressions::Variable, storm::expressions::Expression>> v(substitution);
             return substitute([&v](storm::expressions::Expression const& exp) {return v.substitute(exp);});
         }
-        
+
         std::shared_ptr<Formula> Formula::substitute(std::function<storm::expressions::Expression(storm::expressions::Expression const&)> const& expressionSubstitution) const {
             ExpressionSubstitutionVisitor visitor;
             return visitor.substitute(*this, expressionSubstitution);
         }
-        
+
         std::shared_ptr<Formula> Formula::substitute(std::map<std::string, storm::expressions::Expression> const& labelSubstitution) const {
             LabelSubstitutionVisitor visitor(labelSubstitution);
             return visitor.substitute(*this);
         }
-        
+
         std::shared_ptr<Formula> Formula::substitute(std::map<std::string, std::string> const& labelSubstitution) const {
             LabelSubstitutionVisitor visitor(labelSubstitution);
             return visitor.substitute(*this);
         }
-        
+
         std::shared_ptr<Formula> Formula::substituteRewardModelNames(std::map<std::string, std::string> const& rewardModelNameSubstitution) const {
             RewardModelNameSubstitutionVisitor visitor(rewardModelNameSubstitution);
             return visitor.substitute(*this);
         }
-        
+
         storm::expressions::Expression Formula::toExpression(storm::expressions::ExpressionManager const& manager, std::map<std::string, storm::expressions::Expression> const& labelToExpressionMapping) const {
             ToExpressionVisitor visitor;
             if (labelToExpressionMapping.empty()) {
@@ -490,37 +494,37 @@ namespace storm {
                 return visitor.toExpression(*this->substitute(labelToExpressionMapping), manager);
             }
         }
-        
+
         std::shared_ptr<Formula const> Formula::asSharedPointer() {
             return this->shared_from_this();
         }
-        
+
         std::shared_ptr<Formula const> Formula::asSharedPointer() const {
             return this->shared_from_this();
         }
-        
+
         void Formula::gatherAtomicExpressionFormulas(std::vector<std::shared_ptr<AtomicExpressionFormula const>>&) const {
             return;
         }
-        
+
         void Formula::gatherAtomicLabelFormulas(std::vector<std::shared_ptr<AtomicLabelFormula const>>&) const {
             return;
         }
-        
+
         void Formula::gatherReferencedRewardModels(std::set<std::string>&) const {
             return;
         }
-        
+
         void Formula::gatherUsedVariables(std::set<storm::expressions::Variable>& usedVariables) const {
             return;
         }
-        
+
         std::string Formula::toString() const {
             std::stringstream str2;
             writeToStream(str2);
             return str2.str();
         }
-        
+
         std::ostream& operator<<(std::ostream& out, Formula const& formula) {
             return formula.writeToStream(out);
         }
diff --git a/src/storm/logic/Formula.h b/src/storm/logic/Formula.h
index dc6396e71..8fabb4fe0 100644
--- a/src/storm/logic/Formula.h
+++ b/src/storm/logic/Formula.h
@@ -78,10 +78,13 @@ namespace storm {
             virtual bool isReachabilityRewardFormula() const;
             virtual bool isLongRunAverageRewardFormula() const;
             virtual bool isTotalRewardFormula() const;
-            
+
             // Expected time formulas.
             virtual bool isReachabilityTimeFormula() const;
-            
+
+            // Game formulas.
+            virtual bool isGameFormula() const;
+
             // Type checks for abstract intermediate classes.
             virtual bool isBinaryPathFormula() const;
             virtual bool isBinaryStateFormula() const;
diff --git a/src/storm/logic/FormulaInformationVisitor.cpp b/src/storm/logic/FormulaInformationVisitor.cpp
index e4e9a15ed..41976aa57 100644
--- a/src/storm/logic/FormulaInformationVisitor.cpp
+++ b/src/storm/logic/FormulaInformationVisitor.cpp
@@ -60,36 +60,40 @@ namespace storm {
             }
             return result;
         }
-        
+
         boost::any FormulaInformationVisitor::visit(EventuallyFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
         boost::any FormulaInformationVisitor::visit(TimeOperatorFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
         boost::any FormulaInformationVisitor::visit(GloballyFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
+        boost::any FormulaInformationVisitor::visit(GameFormula const& f, boost::any const& data) const {
+            return f.getSubformula().accept(*this, data);
+        }
+
         boost::any FormulaInformationVisitor::visit(InstantaneousRewardFormula const&, boost::any const&) const {
             return FormulaInformation();
         }
-        
+
         boost::any FormulaInformationVisitor::visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const {
             FormulaInformation result;
             result.setContainsLongRunFormula(true);
             result.join(boost::any_cast<FormulaInformation>(f.getSubformula().accept(*this, data)));
             return result;
         }
-        
+
         boost::any FormulaInformationVisitor::visit(LongRunAverageRewardFormula const&, boost::any const&) const {
             FormulaInformation result;
             result.setContainsLongRunFormula(true);
             return result;
         }
-        
+
         boost::any FormulaInformationVisitor::visit(MultiObjectiveFormula const& f, boost::any const& data) const {
             FormulaInformation result;
             for(auto const& subF : f.getSubformulas()){
diff --git a/src/storm/logic/FormulaInformationVisitor.h b/src/storm/logic/FormulaInformationVisitor.h
index 7ba8b70b9..617386961 100644
--- a/src/storm/logic/FormulaInformationVisitor.h
+++ b/src/storm/logic/FormulaInformationVisitor.h
@@ -21,6 +21,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
diff --git a/src/storm/logic/FormulaVisitor.h b/src/storm/logic/FormulaVisitor.h
index 1eaf6791d..6bf5b8c50 100644
--- a/src/storm/logic/FormulaVisitor.h
+++ b/src/storm/logic/FormulaVisitor.h
@@ -22,6 +22,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const = 0;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const = 0;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const = 0;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const = 0;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const = 0;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const = 0;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const = 0;
diff --git a/src/storm/logic/Formulas.h b/src/storm/logic/Formulas.h
index bdda5c863..f054794e7 100644
--- a/src/storm/logic/Formulas.h
+++ b/src/storm/logic/Formulas.h
@@ -8,6 +8,7 @@
 #include "storm/logic/BoundedUntilFormula.h"
 #include "storm/logic/CumulativeRewardFormula.h"
 #include "storm/logic/EventuallyFormula.h"
+#include "storm/logic/GameFormula.h"
 #include "storm/logic/GloballyFormula.h"
 #include "storm/logic/InstantaneousRewardFormula.h"
 #include "storm/logic/NextFormula.h"
diff --git a/src/storm/logic/FormulasForwardDeclarations.h b/src/storm/logic/FormulasForwardDeclarations.h
index 170316fc7..2d1661418 100644
--- a/src/storm/logic/FormulasForwardDeclarations.h
+++ b/src/storm/logic/FormulasForwardDeclarations.h
@@ -17,6 +17,7 @@ namespace storm {
         class EventuallyFormula;
         class TimeOperatorFormula;
         class GloballyFormula;
+        class GameFormula;
         class InstantaneousRewardFormula;
         class LongRunAverageOperatorFormula;
         class LongRunAverageRewardFormula;
diff --git a/src/storm/logic/FragmentChecker.cpp b/src/storm/logic/FragmentChecker.cpp
index b669e75bd..fb95572f9 100644
--- a/src/storm/logic/FragmentChecker.cpp
+++ b/src/storm/logic/FragmentChecker.cpp
@@ -188,12 +188,18 @@ namespace storm {
             result && boost::any_cast<bool>(f.getSubformula().accept(*this, data));
             return result;
         }
-        
+
+        boost::any FragmentChecker::visit(GameFormula const& f, boost::any const& data) const {
+            InheritedInformation const& inherited = boost::any_cast<InheritedInformation const&>(data);
+            bool result = inherited.getSpecification().areCoalitionOperatorsAllowed();
+            return result && boost::any_cast<bool>(f.getSubformula().accept(*this, data));
+        }
+
         boost::any FragmentChecker::visit(InstantaneousRewardFormula const&, boost::any const& data) const {
             InheritedInformation const& inherited = boost::any_cast<InheritedInformation const&>(data);
             return inherited.getSpecification().areInstantaneousRewardFormulasAllowed();
         }
-        
+
         boost::any FragmentChecker::visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const {
             InheritedInformation const& inherited = boost::any_cast<InheritedInformation const&>(data);
             bool result = inherited.getSpecification().areLongRunAverageOperatorsAllowed();
diff --git a/src/storm/logic/FragmentChecker.h b/src/storm/logic/FragmentChecker.h
index 485a205aa..c6e6100ee 100644
--- a/src/storm/logic/FragmentChecker.h
+++ b/src/storm/logic/FragmentChecker.h
@@ -22,6 +22,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
diff --git a/src/storm/logic/LiftableTransitionRewardsVisitor.cpp b/src/storm/logic/LiftableTransitionRewardsVisitor.cpp
index 99eeb444b..bdb8ba58e 100644
--- a/src/storm/logic/LiftableTransitionRewardsVisitor.cpp
+++ b/src/storm/logic/LiftableTransitionRewardsVisitor.cpp
@@ -62,31 +62,35 @@ namespace storm {
             }
             return true;
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(EventuallyFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(TimeOperatorFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(GloballyFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
+        boost::any LiftableTransitionRewardsVisitor::visit(GameFormula const& f, boost::any const& data) const {
+            return true;
+        }
+
         boost::any LiftableTransitionRewardsVisitor::visit(InstantaneousRewardFormula const&, boost::any const&) const {
             return true;
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const {
             return f.getSubformula().accept(*this, data);
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(LongRunAverageRewardFormula const&, boost::any const&) const {
             return true;
         }
-        
+
         boost::any LiftableTransitionRewardsVisitor::visit(MultiObjectiveFormula const& f, boost::any const& data) const {
             bool result = true;
             for (auto const& subF : f.getSubformulas()){
diff --git a/src/storm/logic/LiftableTransitionRewardsVisitor.h b/src/storm/logic/LiftableTransitionRewardsVisitor.h
index c09f9c25b..bbac6b7c2 100644
--- a/src/storm/logic/LiftableTransitionRewardsVisitor.h
+++ b/src/storm/logic/LiftableTransitionRewardsVisitor.h
@@ -28,6 +28,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
diff --git a/src/storm/logic/ToExpressionVisitor.cpp b/src/storm/logic/ToExpressionVisitor.cpp
index 27ea1fa6b..8eb8444fc 100644
--- a/src/storm/logic/ToExpressionVisitor.cpp
+++ b/src/storm/logic/ToExpressionVisitor.cpp
@@ -46,67 +46,71 @@ namespace storm {
             }
             return result;
         }
-        
+
         boost::any ToExpressionVisitor::visit(BoundedUntilFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(ConditionalFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(CumulativeRewardFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(EventuallyFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(TimeOperatorFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(GloballyFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
+        boost::any ToExpressionVisitor::visit(GameFormula const&, boost::any const&) const {
+            STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
+        }
+
         boost::any ToExpressionVisitor::visit(InstantaneousRewardFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(LongRunAverageOperatorFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(LongRunAverageRewardFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(MultiObjectiveFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(QuantileFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(NextFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(ProbabilityOperatorFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(RewardOperatorFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(TotalRewardFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::InvalidOperationException, "Cannot assemble expression from formula that contains illegal elements.");
         }
-        
+
         boost::any ToExpressionVisitor::visit(UnaryBooleanStateFormula const& f, boost::any const& data) const {
             storm::expressions::Expression subexpression = boost::any_cast<storm::expressions::Expression>(f.getSubformula().accept(*this, data));
             switch (f.getOperator()) {
diff --git a/src/storm/logic/ToExpressionVisitor.h b/src/storm/logic/ToExpressionVisitor.h
index 345698f5a..675dbbcba 100644
--- a/src/storm/logic/ToExpressionVisitor.h
+++ b/src/storm/logic/ToExpressionVisitor.h
@@ -22,6 +22,7 @@ namespace storm {
             virtual boost::any visit(EventuallyFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(TimeOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(GloballyFormula const& f, boost::any const& data) const override;
+            virtual boost::any visit(GameFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(InstantaneousRewardFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageOperatorFormula const& f, boost::any const& data) const override;
             virtual boost::any visit(LongRunAverageRewardFormula const& f, boost::any const& data) const override;
diff --git a/src/storm/storage/jani/JSONExporter.cpp b/src/storm/storage/jani/JSONExporter.cpp
index 79748e5da..4236f4c6f 100644
--- a/src/storm/storage/jani/JSONExporter.cpp
+++ b/src/storm/storage/jani/JSONExporter.cpp
@@ -324,18 +324,22 @@ namespace storm {
             }
             return opDecl;
         }
-        
+
         boost::any FormulaToJaniJson::visit(storm::logic::GloballyFormula const& f, boost::any const& data) const {
             ExportJsonType opDecl;
             opDecl["op"] = "G";
             opDecl["exp"] = anyToJson(f.getSubformula().accept(*this, data));
             return opDecl;
         }
-        
+
+        boost::any FormulaToJaniJson::visit(storm::logic::GameFormula const& f, boost::any const& data) const {
+            STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "We currently do not support conversion of game formulas to Jani. (Does jani support games?)");
+        }
+
         boost::any FormulaToJaniJson::visit(storm::logic::InstantaneousRewardFormula const&, boost::any const&) const {
             STORM_LOG_THROW(false, storm::exceptions::NotImplementedException, "Jani currently does not support conversion of an instanteneous reward formula");
         }
-        
+
         boost::any FormulaToJaniJson::visit(storm::logic::LongRunAverageOperatorFormula const& f, boost::any const& data) const {
             ExportJsonType opDecl;
             if(f.hasBound()) {
diff --git a/src/storm/storage/jani/JSONExporter.h b/src/storm/storage/jani/JSONExporter.h
index 7c11358c6..9408cff82 100644
--- a/src/storm/storage/jani/JSONExporter.h
+++ b/src/storm/storage/jani/JSONExporter.h
@@ -57,6 +57,7 @@ namespace storm {
             virtual boost::any visit(storm::logic::CumulativeRewardFormula const& f, boost::any const& data) const;
             virtual boost::any visit(storm::logic::EventuallyFormula const& f, boost::any const& data) const;
             virtual boost::any visit(storm::logic::TimeOperatorFormula const& f, boost::any const& data) const;
+            virtual boost::any visit(storm::logic::GameFormula const& f, boost::any const& data) const;
             virtual boost::any visit(storm::logic::GloballyFormula const& f, boost::any const& data) const;
             virtual boost::any visit(storm::logic::InstantaneousRewardFormula const& f, boost::any const& data) const;
             virtual boost::any visit(storm::logic::LongRunAverageOperatorFormula const& f, boost::any const& data) const;