diff --git a/csv/Map.csv b/csv/Map.csv
index 80e47a7d..aa2e4ee7 100644
--- a/csv/Map.csv
+++ b/csv/Map.csv
@@ -2,7 +2,7 @@ Symbol Name, Object File, Library Archive, Matching
 __ct__25ActorAppearSwitchListenerFP9LiveActorbb,ActorAppearSwitchListener.o,Map.a,false
 listenSwitchOnEvent__25ActorAppearSwitchListenerFv,ActorAppearSwitchListener.o,Map.a,false
 listenSwitchOffEvent__25ActorAppearSwitchListenerFv,ActorAppearSwitchListener.o,Map.a,false
-refresh__19SwitchEventListenerFb,ActorAppearSwitchListener.o,Map.a,false
+refresh__19SwitchEventListenerFb,ActorAppearSwitchListener.o,Map.a,true
 __ct__3AirFPCc,Air.o,Map.a,true
 init__3AirFRC12JMapInfoIter,Air.o,Map.a,true
 appear__3AirFv,Air.o,Map.a,true
diff --git a/csv/System.csv b/csv/System.csv
index 7a4ce704..a2f04390 100644
--- a/csv/System.csv
+++ b/csv/System.csv
@@ -1151,15 +1151,15 @@ getAppearPowerStarObjName__20GalaxyStatusAccessorCFl,GalaxyStatusAccessor.o,Syst
 getActivePowerStarId__20GalaxyStatusAccessorCFl,GalaxyStatusAccessor.o,System.a,false
 isValidCoin100__20GalaxyStatusAccessorCFl,GalaxyStatusAccessor.o,System.a,false
 isHiddenStar__20GalaxyStatusAccessorCFl,GalaxyStatusAccessor.o,System.a,false
-getPowerStarNumToOpenGalaxy__13GameDataConstFPCc,GameDataConst.o,System.a,false
-isPowerStarGreen__13GameDataConstFPCcl,GameDataConst.o,System.a,false
-isPowerStarRed__13GameDataConstFPCcl,GameDataConst.o,System.a,false
-isPowerStarLuigiHas__13GameDataConstFPCcl,GameDataConst.o,System.a,false
-isGrandStar__13GameDataConstFPCcl,GameDataConst.o,System.a,false
-isGalaxyLuigiArrested__13GameDataConstFPCcl,GameDataConst.o,System.a,false
+getPowerStarNumToOpenGalaxy__13GameDataConstFPCc,GameDataConst.o,System.a,true
+isPowerStarGreen__13GameDataConstFPCcl,GameDataConst.o,System.a,true
+isPowerStarRed__13GameDataConstFPCcl,GameDataConst.o,System.a,true
+isPowerStarLuigiHas__13GameDataConstFPCcl,GameDataConst.o,System.a,true
+isGrandStar__13GameDataConstFPCcl,GameDataConst.o,System.a,true
+isGalaxyLuigiArrested__13GameDataConstFPCcl,GameDataConst.o,System.a,true
 isQuestionGalaxy__13GameDataConstFPCc,GameDataConst.o,System.a,false
-isGalaxyAppearGreenDriver__13GameDataConstFPCc,GameDataConst.o,System.a,false
-getIncludedGrandGalaxyId__13GameDataConstFPCc,GameDataConst.o,System.a,false
+isGalaxyAppearGreenDriver__13GameDataConstFPCc,GameDataConst.o,System.a,true
+getIncludedGrandGalaxyId__13GameDataConstFPCc,GameDataConst.o,System.a,true
 isPowerStarSpecial__13GameDataConstFPCclPCc,GameDataConst.o,System.a,false
 getSaveDataHandleSequence__30@unnamed@GameDataFunction_cpp@Fv,GameDataFunction.o,System.a,false
 getGameSequenceProgress__30@unnamed@GameDataFunction_cpp@Fv,GameDataFunction.o,System.a,false
diff --git a/csv/Util.csv b/csv/Util.csv
index e45fe38f..ae866bdd 100644
--- a/csv/Util.csv
+++ b/csv/Util.csv
@@ -3310,11 +3310,11 @@ scanf32__2MRFPCcPCcPf,StringUtil.o,Util.a,true
 scanu8x4__2MRFPCcPCcPUc,StringUtil.o,Util.a,true
 scans16x4__2MRFPCcPCcPs,StringUtil.o,Util.a,true
 scanf32x4__2MRFPCcPCcPf,StringUtil.o,Util.a,true
-__ct__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,false
-setOnFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase,SwitchEventFunctorListener.o,Util.a,false
-setOffFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase,SwitchEventFunctorListener.o,Util.a,false
-listenSwitchOnEvent__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,false
-listenSwitchOffEvent__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,false
+__ct__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,true
+setOnFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase,SwitchEventFunctorListener.o,Util.a,true
+setOffFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase,SwitchEventFunctorListener.o,Util.a,true
+listenSwitchOnEvent__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,true
+listenSwitchOffEvent__26SwitchEventFunctorListenerFv,SwitchEventFunctorListener.o,Util.a,true
 getGameSystemObjHolder__2MRFv,SystemUtil.o,Util.a,false
 getFunctionAsyncExecutor__24@unnamed@SystemUtil_cpp@Fv,SystemUtil.o,Util.a,false
 getFontOnCurrentLanguage__2MRFv,SystemUtil.o,Util.a,false
diff --git a/data/percent.json b/data/percent.json
index d089b721..9e1bead1 100644
--- a/data/percent.json
+++ b/data/percent.json
@@ -1,6 +1,6 @@
 {
 	"schemaVersion": 1,
 	"label": "decompiled",
-	"message": "4.880585732155527%",
+	"message": "4.900982729253547%",
 	"color": "blue"
 }
\ No newline at end of file
diff --git a/docs/PROGRESS.md b/docs/PROGRESS.md
index ac06fd56..df782e4b 100644
--- a/docs/PROGRESS.md
+++ b/docs/PROGRESS.md
@@ -11,7 +11,7 @@
 | [GameAudio](https://github.com/shibbo/Petari/blob/master/docs/lib/GameAudio.md) | 0.0% |
 | [Gravity](https://github.com/shibbo/Petari/blob/master/docs/lib/Gravity.md) | 56.286937028734464% |
 | [LiveActor](https://github.com/shibbo/Petari/blob/master/docs/lib/LiveActor.md) | 35.83679114799447% |
-| [Map](https://github.com/shibbo/Petari/blob/master/docs/lib/Map.md) | 11.739364566505115% |
+| [Map](https://github.com/shibbo/Petari/blob/master/docs/lib/Map.md) | 11.757933634152229% |
 | [MapObj](https://github.com/shibbo/Petari/blob/master/docs/lib/MapObj.md) | 3.201281344579767% |
 | [NameObj](https://github.com/shibbo/Petari/blob/master/docs/lib/NameObj.md) | 21.12676056338028% |
 | [NPC](https://github.com/shibbo/Petari/blob/master/docs/lib/NPC.md) | 0.7591369440774989% |
@@ -21,5 +21,5 @@
 | [Scene](https://github.com/shibbo/Petari/blob/master/docs/lib/Scene.md) | 5.900967982129561% |
 | [Screen](https://github.com/shibbo/Petari/blob/master/docs/lib/Screen.md) | 0.8324294656508502% |
 | [Speaker](https://github.com/shibbo/Petari/blob/master/docs/lib/Speaker.md) | 8.252703471826978% |
-| [System](https://github.com/shibbo/Petari/blob/master/docs/lib/System.md) | 4.815843320666472% |
-| [Util](https://github.com/shibbo/Petari/blob/master/docs/lib/Util.md) | 5.736815263302429% |
+| [System](https://github.com/shibbo/Petari/blob/master/docs/lib/System.md) | 5.16661794796843% |
+| [Util](https://github.com/shibbo/Petari/blob/master/docs/lib/Util.md) | 5.811353323482105% |
diff --git a/docs/lib/Map.md b/docs/lib/Map.md
index 827a6250..08858211 100644
--- a/docs/lib/Map.md
+++ b/docs/lib/Map.md
@@ -1,7 +1,7 @@
 # Map
 | Object | Percentage (of Bytes) | Functions Done / Total Functions | Percentage (Functions) 
 | ------------- | ------------- | ------------- | ------------- |
-| ActorAppearSwitchListener.o | 0.0% | 0 / 4 | 0.0% |
+| ActorAppearSwitchListener.o | 16.39344262295082% | 1 / 4 | 25.0% |
 | Air.o | 53.06406685236769% | 12 / 33 | 36.36363636363637% |
 | BezierRail.o | 25.177935943060497% | 11 / 21 | 52.38095238095239% |
 | Butterfly.o | 0.0% | 0 / 37 | 0.0% |
@@ -91,7 +91,7 @@
 | __ct__25ActorAppearSwitchListenerFP9LiveActorbb | :x: |
 | listenSwitchOnEvent__25ActorAppearSwitchListenerFv | :x: |
 | listenSwitchOffEvent__25ActorAppearSwitchListenerFv | :x: |
-| refresh__19SwitchEventListenerFb | :x: |
+| refresh__19SwitchEventListenerFb | :white_check_mark: |
 
 
 # Air.o
diff --git a/docs/lib/System.md b/docs/lib/System.md
index ccd5ff6c..c224e1bb 100644
--- a/docs/lib/System.md
+++ b/docs/lib/System.md
@@ -71,7 +71,7 @@
 | GalaxyMoveArgument.o | 0.0% | 0 / 3 | 0.0% |
 | GalaxyNameSortTable.o | 0.0% | 0 / 1 | 0.0% |
 | GalaxyStatusAccessor.o | 64.6484375% | 20 / 26 | 76.92307692307693% |
-| GameDataConst.o | 0.0% | 0 / 10 | 0.0% |
+| GameDataConst.o | 59.75103734439834% | 8 / 10 | 80.0% |
 | GameDataFunction.o | 0.0% | 0 / 78 | 0.0% |
 | GameDataGalaxyStorage.o | 0.0% | 0 / 27 | 0.0% |
 | GameDataHolder.o | 0.0% | 0 / 46 | 0.0% |
@@ -1604,15 +1604,15 @@
 # GameDataConst.o
 | Symbol | Decompiled? |
 | ------------- | ------------- |
-| getPowerStarNumToOpenGalaxy__13GameDataConstFPCc | :x: |
-| isPowerStarGreen__13GameDataConstFPCcl | :x: |
-| isPowerStarRed__13GameDataConstFPCcl | :x: |
-| isPowerStarLuigiHas__13GameDataConstFPCcl | :x: |
-| isGrandStar__13GameDataConstFPCcl | :x: |
-| isGalaxyLuigiArrested__13GameDataConstFPCcl | :x: |
+| getPowerStarNumToOpenGalaxy__13GameDataConstFPCc | :white_check_mark: |
+| isPowerStarGreen__13GameDataConstFPCcl | :white_check_mark: |
+| isPowerStarRed__13GameDataConstFPCcl | :white_check_mark: |
+| isPowerStarLuigiHas__13GameDataConstFPCcl | :white_check_mark: |
+| isGrandStar__13GameDataConstFPCcl | :white_check_mark: |
+| isGalaxyLuigiArrested__13GameDataConstFPCcl | :white_check_mark: |
 | isQuestionGalaxy__13GameDataConstFPCc | :x: |
-| isGalaxyAppearGreenDriver__13GameDataConstFPCc | :x: |
-| getIncludedGrandGalaxyId__13GameDataConstFPCc | :x: |
+| isGalaxyAppearGreenDriver__13GameDataConstFPCc | :white_check_mark: |
+| getIncludedGrandGalaxyId__13GameDataConstFPCc | :white_check_mark: |
 | isPowerStarSpecial__13GameDataConstFPCclPCc | :x: |
 
 
diff --git a/docs/lib/Util.md b/docs/lib/Util.md
index b2635cba..66ce1b76 100644
--- a/docs/lib/Util.md
+++ b/docs/lib/Util.md
@@ -51,7 +51,7 @@
 | SoundUtil.o | 0.0% | 0 / 86 | 0.0% |
 | StarPointerUtil.o | 0.0% | 0 / 108 | 0.0% |
 | StringUtil.o | 30.294530154277698% | 9 / 36 | 25.0% |
-| SwitchEventFunctorListener.o | 0.0% | 0 / 5 | 0.0% |
+| SwitchEventFunctorListener.o | 100.0% | 5 / 5 | 100.0% |
 | SystemUtil.o | 0.0% | 0 / 34 | 0.0% |
 | TalkUtil.o | 0.0% | 0 / 53 | 0.0% |
 | AreaObjUtil.o | 6.666666666666667% | 2 / 22 | 9.090909090909092% |
@@ -3642,11 +3642,11 @@
 # SwitchEventFunctorListener.o
 | Symbol | Decompiled? |
 | ------------- | ------------- |
-| __ct__26SwitchEventFunctorListenerFv | :x: |
-| setOnFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase | :x: |
-| setOffFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase | :x: |
-| listenSwitchOnEvent__26SwitchEventFunctorListenerFv | :x: |
-| listenSwitchOffEvent__26SwitchEventFunctorListenerFv | :x: |
+| __ct__26SwitchEventFunctorListenerFv | :white_check_mark: |
+| setOnFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase | :white_check_mark: |
+| setOffFunctor__26SwitchEventFunctorListenerFRCQ22MR11FunctorBase | :white_check_mark: |
+| listenSwitchOnEvent__26SwitchEventFunctorListenerFv | :white_check_mark: |
+| listenSwitchOffEvent__26SwitchEventFunctorListenerFv | :white_check_mark: |
 
 
 # SystemUtil.o
diff --git a/include/Game/System/GameDataConst.h b/include/Game/System/GameDataConst.h
index d725a32b..3c9b3ccb 100644
--- a/include/Game/System/GameDataConst.h
+++ b/include/Game/System/GameDataConst.h
@@ -1,9 +1,19 @@
 #pragma once
 
 #include <revolution.h>
+#include "Game/Util/JMapInfo.h"
 
-namespace GameDataConst {
-    bool isGrandStar(const char *, s32);
+const JMapData GalaxyIDBCSV = { 0x0, 0x0, 0x0, 0x0 };
 
-    bool isPowerStarSpecial( const char *, s32, const char *);
+class GameDataConst {
+    static u32 getPowerStarNumToOpenGalaxy(const char *);
+    static bool isPowerStarGreen(const char *, s32);
+    static bool isPowerStarRed(const char *, s32);
+    static bool isPowerStarLuigiHas(const char *, s32);
+    static bool isGrandStar(const char *, s32);
+    static bool isGalaxyLuigiArrested(const char *, s32);
+    static bool isQuestionGalaxy(const char *);
+    static bool isGalaxyAppearGreenDriver(const char *);
+    static u32 getIncludedGrandGalaxyId(const char *);
+    static bool isPowerStarSpecial(const char *, s32, const char *);
 };
\ No newline at end of file
diff --git a/include/Game/System/GameEventFlag.h b/include/Game/System/GameEventFlag.h
new file mode 100644
index 00000000..0d854af8
--- /dev/null
+++ b/include/Game/System/GameEventFlag.h
@@ -0,0 +1,43 @@
+#pragma once
+
+#include <revolution.h>
+
+struct GameEventFlag {
+    const char* mName;          // _0
+    u8 mType;                   // _4
+    u8 _5;
+    u8 mStarID;                 // _6
+    u8 mStarPieceNum;           // _7
+    u8 _8;
+    u8 _9;
+    u8 _A;
+    u8 _B;
+
+    // _C
+    union {
+        const char* mGalaxyName;
+        const char* mEventValueName;
+    };
+
+    u32 mRequirement;           // _10
+};
+
+class GameEventFlagAccessor {
+public:
+    GameEventFlagAccessor(const GameEventFlag *);
+
+    const char* getName() const;
+    bool isTypeGalaxyOpenStar() const;
+    bool isTypeSpecialStar() const;
+    bool isTypeStarPiece() const;
+    bool isTypeEventValueIsZero() const;
+    const char* getGalaxyName() const;
+    s32 getStarId() const;
+    u8 getStarPieceIndex() const;
+    const char* getGalaxyNameWithStarPiece() const;
+    u8 getNeedStarPieceNum() const;
+    const char* getEventValueName() const;
+    u32 getRequirement() const;
+
+    const GameEventFlag* mFlag;     // _0
+};
\ No newline at end of file
diff --git a/include/Game/System/GameEventFlagTable.h b/include/Game/System/GameEventFlagTable.h
new file mode 100644
index 00000000..ff221c30
--- /dev/null
+++ b/include/Game/System/GameEventFlagTable.h
@@ -0,0 +1,45 @@
+#pragma once
+
+#include "Game/System/GameEventFlag.h"
+
+#include <revolution.h>
+
+class GameEventFlagIter {
+public:
+    bool isEnd() const;
+    void goNext();
+    const GameEventFlag* getFlag() const;
+    bool isValid() const;
+
+    u32 mIter;  // _0
+};
+
+class GameEventFlagTableInstance {
+public:
+    void initSortTable();
+
+    u32 _0;
+    u32 _4;
+};
+
+class GameEventFlagTable {
+public:
+    static GameEventFlagIter getBeginIter();
+    static GameEventFlagAccessor makeAccessor(const char *);
+    s32 getTableSize();
+    const GameEventFlag* getFlag(int);
+    const GameEventFlag* findFlag(const char *);
+    const char* getEventFlagNameSpecialPowerStar(const char *, s32);
+    bool isPowerStarType(const char *, s32, const char *);
+    s32 calcExclamationGalaxyNum();
+    const char* getExclamationGalaxyNameFromIndex(int);
+    static bool isExist(const char *);
+    int getIndex(const GameEventFlag *);
+    static bool isDependedAnother(const char *, const char *);
+    int getIndexFromHashCode(u16);
+    s32 calcSpecialPowerStarNum(const char *);
+    u8 getStarPieceNumToOpenExclamationGalaxy(const char *);
+    s32 calcGreenStarPowerNum();
+    u32 getGalaxyDependFlags(const char **, int, const char *);
+    
+};
\ No newline at end of file
diff --git a/include/Game/Util/SwitchEventFunctorListener.h b/include/Game/Util/SwitchEventFunctorListener.h
new file mode 100644
index 00000000..a2b28435
--- /dev/null
+++ b/include/Game/Util/SwitchEventFunctorListener.h
@@ -0,0 +1,33 @@
+#pragma once
+
+#include "Game/Util/Functor.h"
+#include <revolution.h>
+
+class SwitchEventListener {
+public:
+    virtual void refresh(bool listenOn) {
+        if (listenOn) {
+            listenSwitchOnEvent();
+        }
+        else {
+            listenSwitchOffEvent();
+        }
+    }
+
+    virtual void listenSwitchOnEvent() = 0;
+    virtual void listenSwitchOffEvent() = 0;
+};
+
+class SwitchEventFunctorListener : public SwitchEventListener {
+public:
+    SwitchEventFunctorListener();
+
+    virtual void listenSwitchOnEvent();
+    virtual void listenSwitchOffEvent();
+
+    void setOnFunctor(const MR::FunctorBase &);
+    void setOffFunctor(const MR::FunctorBase &);
+
+    MR::FunctorBase* mOnFunctor;    // _4
+    MR::FunctorBase* mOffFunctor;   // _8
+};
\ No newline at end of file
diff --git a/source/Game/System/GameDataConst.cpp b/source/Game/System/GameDataConst.cpp
new file mode 100644
index 00000000..a5341e12
--- /dev/null
+++ b/source/Game/System/GameDataConst.cpp
@@ -0,0 +1,59 @@
+#include "Game/System/GameDataConst.h"
+#include "Game/System/GameEventFlag.h"
+#include "Game/System/GameEventFlagTable.h"
+#include "Game/Util.h"
+#include <cstdio>
+
+u32 GameDataConst::getPowerStarNumToOpenGalaxy(const char *pGalaxy) {
+    JMapInfo info;
+    info.attach(&GalaxyIDBCSV);
+    JMapInfoIter element;
+    element = info.findElement<const char *>("name", pGalaxy, 0);
+    u32 powerStarNum = 0;
+    element.getValue<u32>("PowerStarNum", &powerStarNum);
+    return powerStarNum;
+}
+
+bool GameDataConst::isPowerStarGreen(const char *pName, s32 a2) {
+    return isPowerStarSpecial(pName, a2, "SpecialStarGreen");
+}
+
+bool GameDataConst::isPowerStarRed(const char *pName, s32 a2) {
+    return isPowerStarSpecial(pName, a2, "SpecialStarRed");
+}
+
+bool GameDataConst::isPowerStarLuigiHas(const char *pName, s32 a2) {
+    return isPowerStarSpecial(pName, a2, "SpecialStarFindingLuigi");
+}
+
+bool GameDataConst::isGrandStar(const char *pName, s32 a2) {
+    return isPowerStarSpecial(pName, a2, "SpecialStarGrand");
+}
+
+bool GameDataConst::isGalaxyLuigiArrested(const char *pGalaxy, s32 starId) {
+    GameEventFlagAccessor accessor = GameEventFlagTable::makeAccessor("SpecialStarLuigiRescued");
+    bool ret = false;
+    const char* galaxyName = accessor.getGalaxyName();
+
+    if (MR::isEqualString(galaxyName, pGalaxy) && ((starId == -1) || starId == accessor.getStarId())) {
+        ret = true;
+    } 
+
+    return ret;
+}
+ 
+bool GameDataConst::isGalaxyAppearGreenDriver(const char *pGalaxyName) {
+    char buf[0x30];
+    snprintf(buf, 0x30, "Appear%s", pGalaxyName);
+    return !GameEventFlagTable::isExist(buf) ? false : GameEventFlagTable::isDependedAnother(buf, "SpecialStarGreenAll");
+}
+
+u32 GameDataConst::getIncludedGrandGalaxyId(const char *pGalaxy) {
+    JMapInfo info;
+    info.attach(&GalaxyIDBCSV);
+    JMapInfoIter element;
+    element = info.findElement<const char *>("name", pGalaxy, 0);
+    u32 grandGalaxyNo = 0;
+    element.getValue<u32>("GrandGalaxyNo", &grandGalaxyNo);
+    return grandGalaxyNo;
+}
\ No newline at end of file
diff --git a/source/Game/System/GameEventFlag.cpp b/source/Game/System/GameEventFlag.cpp
new file mode 100644
index 00000000..72c3f843
--- /dev/null
+++ b/source/Game/System/GameEventFlag.cpp
@@ -0,0 +1,5 @@
+#include "Game/System/GameEventFlag.h"
+
+s32 GameEventFlagAccessor::getStarId() const {
+    return mFlag->mStarID;
+}
\ No newline at end of file
diff --git a/source/Game/Util/SwitchEventFunctorListener.cpp b/source/Game/Util/SwitchEventFunctorListener.cpp
new file mode 100644
index 00000000..d362f964
--- /dev/null
+++ b/source/Game/Util/SwitchEventFunctorListener.cpp
@@ -0,0 +1,26 @@
+#include "Game/Util/SwitchEventFunctorListener.h"
+
+SwitchEventFunctorListener::SwitchEventFunctorListener() {
+    mOnFunctor = 0;
+    mOffFunctor = 0;
+}
+
+void SwitchEventFunctorListener::setOnFunctor(const MR::FunctorBase &rFunctor) {
+    mOnFunctor = rFunctor.clone(0);
+}
+
+void SwitchEventFunctorListener::setOffFunctor(const MR::FunctorBase &rFunctor) {
+    mOffFunctor = rFunctor.clone(0);
+}
+
+void SwitchEventFunctorListener::listenSwitchOnEvent() {
+    if (mOnFunctor) {
+        (*mOnFunctor)();
+    }
+}
+
+void SwitchEventFunctorListener::listenSwitchOffEvent() {
+    if (mOffFunctor) {
+        (*mOffFunctor)();
+    }
+}
\ No newline at end of file