diff --git a/LEGO1/lego/legoomni/include/jetskirace.h b/LEGO1/lego/legoomni/include/jetskirace.h
index 77501f4f..ce1ea834 100644
--- a/LEGO1/lego/legoomni/include/jetskirace.h
+++ b/LEGO1/lego/legoomni/include/jetskirace.h
@@ -4,27 +4,33 @@
 #include "legorace.h"
 
 // VTABLE: LEGO1 0x100d4fa8
+// VTABLE: BETA10 0x101bd5d0
 // SIZE 0x2c
 class JetskiRaceState : public RaceState {
 public:
 	// FUNCTION: LEGO1 0x1000dc40
+	// FUNCTION: BETA10 0x100a8f30
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f00ac
+		// STRING: BETA10 0x101f1d0c
 		return "JetskiRaceState";
 	}
 
 	// FUNCTION: LEGO1 0x1000dc50
+	// FUNCTION: BETA10 0x100a8f60
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, JetskiRaceState::ClassName()) || RaceState::IsA(p_name);
 	}
 
 	// SYNTHETIC: LEGO1 0x1000f680
+	// SYNTHETIC: BETA10 0x100a9d10
 	// JetskiRaceState::`scalar deleting destructor'
 };
 
 // VTABLE: LEGO1 0x100d4fe8
+// VTABLE: BETA10 0x101bd268
 // SIZE 0x144
 class JetskiRace : public LegoRace {
 public:
@@ -43,6 +49,7 @@ class JetskiRace : public LegoRace {
 	}
 
 	// FUNCTION: LEGO1 0x1000db00
+	// FUNCTION: BETA10 0x100a8860
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, JetskiRace::ClassName()) || LegoRace::IsA(p_name);
diff --git a/LEGO1/lego/legoomni/include/legoactor.h b/LEGO1/lego/legoomni/include/legoactor.h
index d5641b72..75ea7e63 100644
--- a/LEGO1/lego/legoomni/include/legoactor.h
+++ b/LEGO1/lego/legoomni/include/legoactor.h
@@ -62,9 +62,9 @@ class LegoActor : public LegoEntity {
 
 	static const char* GetActorName(MxU8 p_id);
 
-protected:
 	void Mute(MxBool p_muted);
 
+protected:
 	MxFloat m_frequencyFactor; // 0x68
 	LegoCacheSound* m_sound;   // 0x6c
 	MxFloat m_unk0x70;         // 0x70
diff --git a/LEGO1/lego/legoomni/include/legoentity.h b/LEGO1/lego/legoomni/include/legoentity.h
index 115ed813..26256c84 100644
--- a/LEGO1/lego/legoomni/include/legoentity.h
+++ b/LEGO1/lego/legoomni/include/legoentity.h
@@ -45,6 +45,7 @@ class LegoEntity : public MxEntity {
 	}
 
 	// FUNCTION: LEGO1 0x1000c300
+	// FUNCTION: BETA10 0x100125a0
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoEntity::ClassName()) || MxEntity::IsA(p_name);
diff --git a/LEGO1/lego/legoomni/include/legorace.h b/LEGO1/lego/legoomni/include/legorace.h
index ff463538..cad39de1 100644
--- a/LEGO1/lego/legoomni/include/legorace.h
+++ b/LEGO1/lego/legoomni/include/legorace.h
@@ -3,6 +3,7 @@
 
 #include "decomp.h"
 #include "legogamestate.h"
+#include "legoraceactor.h"
 #include "legoracemap.h"
 #include "legostate.h"
 #include "legoworld.h"
@@ -17,6 +18,7 @@ class MxNotificationParam;
 class LegoPathStructNotificationParam;
 
 // VTABLE: LEGO1 0x100d5e30
+// VTABLE: BETA10 0x101be270
 // SIZE 0x2c
 class RaceState : public LegoState {
 public:
@@ -34,6 +36,7 @@ class RaceState : public LegoState {
 		MxS16 GetUnknown0x02() { return m_unk0x02; }
 		MxS16 GetHighScore() { return m_score; }
 
+		// FUNCTION: BETA10 0x100c96f0
 		MxResult Serialize(LegoFile* p_file)
 		{
 			if (p_file->IsReadMode()) {
@@ -59,13 +62,16 @@ class RaceState : public LegoState {
 	RaceState();
 
 	// FUNCTION: LEGO1 0x10016010
+	// FUNCTION: BETA10 0x100a9040
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f07d0
+		// STRING: BETA10 0x101f1d20
 		return "RaceState";
 	}
 
 	// FUNCTION: LEGO1 0x10016020
+	// FUNCTION: BETA10 0x100a8fd0
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, RaceState::ClassName()) || LegoState::IsA(p_name);
@@ -90,6 +96,7 @@ class RaceState : public LegoState {
 };
 
 // VTABLE: LEGO1 0x100d5db0
+// VTABLE: BETA10 0x101be1e0
 // SIZE 0x144
 class LegoRace : public LegoWorld {
 public:
@@ -113,6 +120,7 @@ class LegoRace : public LegoWorld {
 	}
 
 	// FUNCTION: LEGO1 0x10015bb0
+	// FUNCTION: BETA10 0x100a88d0
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoRace::ClassName()) || LegoWorld::IsA(p_name);
@@ -132,8 +140,12 @@ class LegoRace : public LegoWorld {
 	// FUNCTION: LEGO1 0x1000dab0
 	virtual MxLong HandleType0Notification(MxNotificationParam&) { return 0; } // vtable+0x78
 
-	// STUB: LEGO1 0x1000dac0
-	virtual void VTable0x7c(LegoRaceMap*, undefined4) {} // vtable+0x7c
+	// FUNCTION: LEGO1 0x1000dac0
+	// FUNCTION: BETA10 0x100a87d0
+	virtual void VTable0x7c(LegoRaceActor* p_map, MxU32 p_index) // vtable+0x7c
+	{
+		m_unk0x110[p_index] = (LegoRaceActor*) p_map;
+	}
 
 	// SYNTHETIC: LEGO1 0x10015cc0
 	// LegoRace::`scalar deleting destructor'
@@ -145,16 +157,14 @@ class LegoRace : public LegoWorld {
 	undefined4 m_unk0x104;              // 0x104
 	undefined4 m_unk0x108;              // 0x108
 	undefined4 m_unk0x10c;              // 0x10c
-	undefined4 m_unk0x110;              // 0x110
-	undefined4 m_unk0x114;              // 0x114
-	undefined4 m_unk0x118;              // 0x118
+	LegoRaceActor* m_unk0x110[3];       // 0x110
 	LegoGameState::Area m_destLocation; // 0x11c
 	LegoPathActor* m_pathActor;         // 0x120
 	Act1State* m_act1State;             // 0x124
-	undefined4 m_unk0x128;              // 0x128
-	undefined4 m_unk0x12c;              // 0x12c
+	MxStillPresenter* m_unk0x128;       // 0x128
+	MxStillPresenter* m_unk0x12c;       // 0x12c
 	MxRect32 m_unk0x130;                // 0x130
-	undefined4 m_unk0x140;              // 0x140
+	RaceState* m_raceState;             // 0x140
 };
 
 #endif // LEGORACE_H
diff --git a/LEGO1/lego/legoomni/include/legoracers.h b/LEGO1/lego/legoomni/include/legoracers.h
index ea8472d1..add7d795 100644
--- a/LEGO1/lego/legoomni/include/legoracers.h
+++ b/LEGO1/lego/legoomni/include/legoracers.h
@@ -75,6 +75,9 @@ class LegoRaceCar : public LegoCarRaceActor, public LegoRaceMap {
 	virtual void FUN_10012ff0(float p_param);
 	virtual MxU32 HandleSkeletonKicks(float p_param1);
 
+	static void FUN_10012de0();
+	static void FUN_10013670();
+
 	// SYNTHETIC: LEGO1 0x10014240
 	// LegoRaceCar::`scalar deleting destructor'
 
@@ -108,10 +111,10 @@ class LegoRaceCar : public LegoCarRaceActor, public LegoRaceMap {
 	static MxU32 g_srtsl6to10Index;
 	static MxU32 g_emptySoundKeyListIndex;
 	static MxU32 g_srtrhIndex;
+	static Mx3DPointFloat g_unk0x10102af0;
 	static MxLong g_timeLastSoundPlayed;
 	static MxS32 g_unk0x100f0b88;
 	static MxBool g_unk0x100f0b8c;
-	static Mx3DPointFloat g_unk0x10102af0;
 };
 
 #endif // LEGORACERS_H
diff --git a/LEGO1/lego/legoomni/include/legostate.h b/LEGO1/lego/legoomni/include/legostate.h
index f217573c..b8b9c47f 100644
--- a/LEGO1/lego/legoomni/include/legostate.h
+++ b/LEGO1/lego/legoomni/include/legostate.h
@@ -6,6 +6,7 @@
 #include "mxcore.h"
 
 // VTABLE: LEGO1 0x100d46c0
+// VTABLE: BETA10 0x101b89d8
 // SIZE 0x08
 class LegoState : public MxCore {
 public:
@@ -84,13 +85,16 @@ class LegoState : public MxCore {
 	~LegoState() override {}
 
 	// FUNCTION: LEGO1 0x100060d0
+	// FUNCTION: BETA10 0x10017d20
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f01b8
+		// STRING: BETA10 0x101dcdac
 		return "LegoState";
 	}
 
 	// FUNCTION: LEGO1 0x100060e0
+	// FUNCTION: BETA10 0x100a9000
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoState::ClassName()) || MxCore::IsA(p_name);
@@ -103,6 +107,7 @@ class LegoState : public MxCore {
 	virtual MxBool Reset() { return FALSE; } // vtable+0x18
 
 	// FUNCTION: LEGO1 0x10005fb0
+	// FUNCTION: BETA10 0x10017af0
 	virtual MxResult Serialize(LegoFile* p_file)
 	{
 		if (p_file->IsWriteMode()) {
diff --git a/LEGO1/lego/legoomni/include/legoworld.h b/LEGO1/lego/legoomni/include/legoworld.h
index d248ab5b..e2aaf8f4 100644
--- a/LEGO1/lego/legoomni/include/legoworld.h
+++ b/LEGO1/lego/legoomni/include/legoworld.h
@@ -28,6 +28,7 @@ struct CoreSetCompare {
 typedef set<MxCore*, CoreSetCompare> MxCoreSet;
 
 // VTABLE: LEGO1 0x100d6280
+// VTABLE: BETA10 0x101befd8
 // SIZE 0xf8
 class LegoWorld : public LegoEntity {
 public:
@@ -46,6 +47,7 @@ class LegoWorld : public LegoEntity {
 	MxResult Tickle() override;               // vtable+0x08
 
 	// FUNCTION: LEGO1 0x1001d690
+	// FUNCTION: BETA10 0x10017660
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f0058
@@ -53,6 +55,7 @@ class LegoWorld : public LegoEntity {
 	}
 
 	// FUNCTION: LEGO1 0x1001d6a0
+	// FUNCTION: BETA10 0x100175f0
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, LegoWorld::ClassName()) || LegoEntity::IsA(p_name);
@@ -104,7 +107,7 @@ class LegoWorld : public LegoEntity {
 	MxS32 GetWorldId() { return m_worldId; }
 	MxBool GetUnknown0xd0Empty() { return m_set0xd0.empty(); }
 	list<LegoROI*>& GetROIList() { return m_roiList; }
-	LegoHideAnimPresenter* GetHideAnimPresenter() { return m_hideAnimPresenter; }
+	LegoHideAnimPresenter* GetHideAnimPresenter() { return m_hideAnim; }
 
 	void SetWorldId(MxS32 p_worldId) { m_worldId = p_worldId; }
 
@@ -112,21 +115,24 @@ class LegoWorld : public LegoEntity {
 	// LegoWorld::`scalar deleting destructor'
 
 protected:
-	LegoPathControllerList m_list0x68;          // 0x68
-	MxPresenterList m_animPresenters;           // 0x80
-	LegoCameraController* m_cameraController;   // 0x98
-	LegoEntityList* m_entityList;               // 0x9c
-	LegoCacheSoundList* m_cacheSoundList;       // 0xa0
-	MxBool m_destroyed;                         // 0xa4
-	MxCoreSet m_set0xa8;                        // 0xa8
-	MxPresenterList m_controlPresenters;        // 0xb8
-	MxCoreSet m_set0xd0;                        // 0xd0
-	list<LegoROI*> m_roiList;                   // 0xe0
-	MxS32 m_worldId;                            // 0xec
-	LegoHideAnimPresenter* m_hideAnimPresenter; // 0xf0
-	MxS16 m_startupTicks;                       // 0xf4
-	MxBool m_worldStarted;                      // 0xf6
-	undefined m_unk0xf7;                        // 0xf7
+	LegoPathControllerList m_list0x68;        // 0x68
+	MxPresenterList m_animPresenters;         // 0x80
+	LegoCameraController* m_cameraController; // 0x98
+	LegoEntityList* m_entityList;             // 0x9c
+	LegoCacheSoundList* m_cacheSoundList;     // 0xa0
+	MxBool m_destroyed;                       // 0xa4
+	MxCoreSet m_set0xa8;                      // 0xa8
+	MxPresenterList m_controlPresenters;      // 0xb8
+	MxCoreSet m_set0xd0;                      // 0xd0
+	list<LegoROI*> m_roiList;                 // 0xe0
+	MxS32 m_worldId;                          // 0xec
+
+	// name verified by BETA10 0x100c7f59
+	LegoHideAnimPresenter* m_hideAnim; // 0xf0
+
+	MxS16 m_startupTicks;  // 0xf4
+	MxBool m_worldStarted; // 0xf6
+	undefined m_unk0xf7;   // 0xf7
 };
 
 // clang-format off
diff --git a/LEGO1/lego/legoomni/include/mxbackgroundaudiomanager.h b/LEGO1/lego/legoomni/include/mxbackgroundaudiomanager.h
index 88bec8b1..210f646c 100644
--- a/LEGO1/lego/legoomni/include/mxbackgroundaudiomanager.h
+++ b/LEGO1/lego/legoomni/include/mxbackgroundaudiomanager.h
@@ -35,7 +35,7 @@ class MxBackgroundAudioManager : public MxCore {
 
 	void StartAction(MxParam& p_param);
 	void StopAction(MxParam& p_param);
-	MxResult PlayMusic(MxDSAction& p_action, undefined4 p_unk0x140, MxPresenter::TickleState p_tickleState);
+	MxResult PlayMusic(MxDSAction& p_action, undefined4 p_speed, MxPresenter::TickleState p_tickleState);
 
 	void FUN_1007ee70();
 	void FUN_1007ef40();
@@ -48,7 +48,7 @@ class MxBackgroundAudioManager : public MxCore {
 	void Stop();
 	void LowerVolume();
 	void RaiseVolume();
-	undefined4 FUN_1007f610(MxPresenter* p_unk0x138, MxS32 p_unk0x140, MxPresenter::TickleState p_tickleState);
+	undefined4 FUN_1007f610(MxPresenter* p_unk0x138, MxS32 p_speed, MxPresenter::TickleState p_tickleState);
 
 	// SYNTHETIC: LEGO1 0x1007ec00
 	// MxBackgroundAudioManager::`scalar deleting destructor'
@@ -66,7 +66,9 @@ class MxBackgroundAudioManager : public MxCore {
 	// name is inferred from context
 	MxPresenter::TickleState m_tickleState; // 0x13c
 
-	MxS32 m_unk0x140;     // 0x140
+	// name inferred from parameter p_speed
+	MxS32 m_speed; // 0x140
+
 	MxS32 m_targetVolume; // 0x144
 	MxS16 m_unk0x148;     // 0x148
 	MxAtomId m_script;    // 0x14c
diff --git a/LEGO1/lego/legoomni/src/audio/mxbackgroundaudiomanager.cpp b/LEGO1/lego/legoomni/src/audio/mxbackgroundaudiomanager.cpp
index 7ab16e56..98cf881b 100644
--- a/LEGO1/lego/legoomni/src/audio/mxbackgroundaudiomanager.cpp
+++ b/LEGO1/lego/legoomni/src/audio/mxbackgroundaudiomanager.cpp
@@ -21,7 +21,7 @@ MxBackgroundAudioManager::MxBackgroundAudioManager()
 	m_unk0xa0 = 0;
 	m_unk0x138 = 0;
 	m_tickleState = MxPresenter::e_idle;
-	m_unk0x140 = 0;
+	m_speed = 0;
 	m_targetVolume = 0;
 	m_unk0x148 = 0;
 	m_enabled = FALSE;
@@ -128,8 +128,8 @@ void MxBackgroundAudioManager::FUN_1007ef40()
 
 			volume = m_unk0x138->GetVolume();
 			if (volume < compare) {
-				if (m_unk0x140 + m_unk0x138->GetVolume() <= compare) {
-					compare = m_unk0x140 + m_unk0x138->GetVolume();
+				if (m_speed + m_unk0x138->GetVolume() <= compare) {
+					compare = m_speed + m_unk0x138->GetVolume();
 				}
 
 				m_unk0x138->SetVolume(compare);
@@ -150,8 +150,8 @@ void MxBackgroundAudioManager::FUN_1007ef40()
 			DeleteObject(*m_unk0xa0->GetAction());
 		}
 		else {
-			if (m_unk0xa0->GetVolume() - m_unk0x140 > 0) {
-				volume = m_unk0xa0->GetVolume() - m_unk0x140;
+			if (m_unk0xa0->GetVolume() - m_speed > 0) {
+				volume = m_unk0xa0->GetVolume() - m_speed;
 			}
 			else {
 				volume = 0;
@@ -178,11 +178,11 @@ void MxBackgroundAudioManager::FadeInOrFadeOut()
 		}
 
 		if (volume < compare) {
-			volume = Min(volume + m_unk0x140, compare);
+			volume = Min(volume + m_speed, compare);
 			m_unk0xa0->SetVolume(volume);
 		}
 		else if (compare < volume) {
-			volume = Max(volume - m_unk0x140, compare);
+			volume = Max(volume - m_speed, compare);
 			m_unk0xa0->SetVolume(volume);
 		}
 		else {
@@ -238,12 +238,15 @@ void MxBackgroundAudioManager::StopAction(MxParam& p_param)
 }
 
 // FUNCTION: LEGO1 0x1007f2f0
+// FUNCTION: BETA10 0x100e90fc
 MxResult MxBackgroundAudioManager::PlayMusic(
 	MxDSAction& p_action,
-	undefined4 p_unk0x140,
+	undefined4 p_speed,
 	MxPresenter::TickleState p_tickleState
 )
 {
+	assert(p_speed > 0);
+
 	if (!m_enabled) {
 		return SUCCESS;
 	}
@@ -267,7 +270,7 @@ MxResult MxBackgroundAudioManager::PlayMusic(
 
 		if (result == SUCCESS) {
 			m_tickleState = p_tickleState;
-			m_unk0x140 = p_unk0x140;
+			m_speed = p_speed;
 		}
 
 		return result;
@@ -307,7 +310,7 @@ void MxBackgroundAudioManager::LowerVolume()
 		if (m_tickleState == 0) {
 			m_tickleState = MxPresenter::e_starting;
 		}
-		m_unk0x140 = 20;
+		m_speed = 20;
 	}
 	m_unk0x148++;
 }
@@ -321,7 +324,7 @@ void MxBackgroundAudioManager::RaiseVolume()
 			if (m_tickleState == 0) {
 				m_tickleState = MxPresenter::e_starting;
 			}
-			m_unk0x140 = 10;
+			m_speed = 10;
 		}
 	}
 }
@@ -342,7 +345,7 @@ void MxBackgroundAudioManager::Enable(MxBool p_enable)
 // FUNCTION: BETA10 0x100e95ee
 undefined4 MxBackgroundAudioManager::FUN_1007f610(
 	MxPresenter* p_unk0x138,
-	MxS32 p_unk0x140,
+	MxS32 p_speed,
 	MxPresenter::TickleState p_tickleState
 )
 
@@ -352,7 +355,7 @@ undefined4 MxBackgroundAudioManager::FUN_1007f610(
 
 	((MxCompositePresenter*) m_unk0x138)->VTable0x60(NULL);
 
-	m_unk0x140 = p_unk0x140;
+	m_speed = p_speed;
 	m_tickleState = p_tickleState;
 	return 0;
 }
diff --git a/LEGO1/lego/legoomni/src/common/misc.cpp b/LEGO1/lego/legoomni/src/common/misc.cpp
index 6c01313f..61399b00 100644
--- a/LEGO1/lego/legoomni/src/common/misc.cpp
+++ b/LEGO1/lego/legoomni/src/common/misc.cpp
@@ -63,8 +63,10 @@ LegoGameState* GameState()
 }
 
 // FUNCTION: LEGO1 0x10015770
+// FUNCTION: BETA10 0x100e4971
 LegoAnimationManager* AnimationManager()
 {
+	assert(LegoOmni::GetInstance());
 	return LegoOmni::GetInstance()->GetAnimationManager();
 }
 
diff --git a/LEGO1/lego/legoomni/src/entity/legoworld.cpp b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
index 822121e6..f28134e9 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworld.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
@@ -42,15 +42,17 @@ LegoWorld::LegoWorld() : m_list0x68(TRUE)
 	m_entityList = NULL;
 	m_cacheSoundList = NULL;
 	m_destroyed = FALSE;
-	m_hideAnimPresenter = NULL;
+	m_hideAnim = NULL;
 	m_worldStarted = FALSE;
 
 	NotificationManager()->Register(this);
 }
 
 // FUNCTION: LEGO1 0x1001d670
+// FUNCTION: BETA10 0x10017530
 MxBool LegoWorld::VTable0x5c()
 {
+	// The BETA10 match could also be LegoWorld::Escape(), only the child classes might be able to tell
 	return FALSE;
 }
 
@@ -245,6 +247,7 @@ MxLong LegoWorld::Notify(MxParam& p_param)
 }
 
 // FUNCTION: LEGO1 0x1001f630
+// FUNCTION: BETA10 0x100d9fc2
 LegoCameraController* LegoWorld::VTable0x54()
 {
 	MxBool success = FALSE;
@@ -413,6 +416,7 @@ MxResult LegoWorld::GetCurrPathInfo(LegoPathBoundary** p_boundaries, MxS32& p_nu
 }
 
 // FUNCTION: LEGO1 0x10020220
+// FUNCTION: BETA10 0x100da90b
 void LegoWorld::Add(MxCore* p_object)
 {
 	if (p_object && !p_object->IsA("LegoWorld") && !p_object->IsA("LegoWorldPresenter")) {
@@ -443,7 +447,8 @@ void LegoWorld::Add(MxCore* p_object)
 
 			m_entityList->Append((LegoEntity*) p_object);
 		}
-		else if (p_object->IsA("LegoLocomotionAnimPresenter") || p_object->IsA("LegoHideAnimPresenter") || p_object->IsA("LegoLoopingAnimPresenter")) {
+		else if (p_object->IsA("LegoLocomotionAnimPresenter") || p_object->IsA("LegoHideAnimPresenter") ||
+				 p_object->IsA("LegoLoopingAnimPresenter")) {
 			MxPresenterListCursor cursor(&m_animPresenters);
 
 			if (cursor.Find((MxPresenter*) p_object)) {
@@ -454,7 +459,7 @@ void LegoWorld::Add(MxCore* p_object)
 			m_animPresenters.Append(((MxPresenter*) p_object));
 
 			if (p_object->IsA("LegoHideAnimPresenter")) {
-				m_hideAnimPresenter = (LegoHideAnimPresenter*) p_object;
+				m_hideAnim = (LegoHideAnimPresenter*) p_object;
 			}
 		}
 		else if (p_object->IsA("LegoCacheSound")) {
@@ -497,7 +502,8 @@ void LegoWorld::Remove(MxCore* p_object)
 				((MxControlPresenter*) p_object)->VTable0x68(TRUE);
 			}
 		}
-		else if (p_object->IsA("LegoLocomotionAnimPresenter") || p_object->IsA("LegoHideAnimPresenter") || p_object->IsA("LegoLoopingAnimPresenter")) {
+		else if (p_object->IsA("LegoLocomotionAnimPresenter") || p_object->IsA("LegoHideAnimPresenter") ||
+				 p_object->IsA("LegoLoopingAnimPresenter")) {
 			MxPresenterListCursor cursor(&m_animPresenters);
 
 			if (cursor.Find((MxPresenter*) p_object)) {
@@ -505,7 +511,7 @@ void LegoWorld::Remove(MxCore* p_object)
 			}
 
 			if (p_object->IsA("LegoHideAnimPresenter")) {
-				m_hideAnimPresenter = NULL;
+				m_hideAnim = NULL;
 			}
 		}
 		else if (p_object->IsA("MxEntity")) {
@@ -654,6 +660,7 @@ MxCore* LegoWorld::Find(const MxAtomId& p_atom, MxS32 p_entityId)
 }
 
 // FUNCTION: LEGO1 0x10021a70
+// FUNCTION: BETA10 0x100db758
 void LegoWorld::Enable(MxBool p_enable)
 {
 	if (p_enable && !m_set0xd0.empty()) {
diff --git a/LEGO1/lego/legoomni/src/paths/legopathstruct.cpp b/LEGO1/lego/legoomni/src/paths/legopathstruct.cpp
index 970402c8..e269f727 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathstruct.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathstruct.cpp
@@ -19,6 +19,7 @@ DECOMP_SIZE_ASSERT(LegoPathStruct, 0x14)
 extern MxU32 g_isleFlags;
 
 // GLOBAL: LEGO1 0x100f119c
+// GLOBAL: BETA10 0x100f119c
 MxBool g_unk0x100f119c = FALSE;
 
 // FUNCTION: LEGO1 0x1001b700
diff --git a/LEGO1/lego/legoomni/src/race/jetskirace.cpp b/LEGO1/lego/legoomni/src/race/jetskirace.cpp
index 3b39e584..ba0cd4ea 100644
--- a/LEGO1/lego/legoomni/src/race/jetskirace.cpp
+++ b/LEGO1/lego/legoomni/src/race/jetskirace.cpp
@@ -1,28 +1,154 @@
 #include "jetskirace.h"
 
+#include "actions/jetrace_actions.h"
+#include "actions/jetski_actions.h"
+#include "actions/jukebox_actions.h"
+#include "dunebuggy.h"
+#include "isle.h"
+#include "legoanimationmanager.h"
+#include "legocontrolmanager.h"
+#include "legohideanimpresenter.h"
+#include "legomain.h"
+#include "legopathstruct.h"
+#include "legoracers.h"
+#include "legoracespecial.h"
+#include "legoutils.h"
+#include "misc.h"
+#include "mxactionnotificationparam.h"
+#include "mxbackgroundaudiomanager.h"
+#include "mxmisc.h"
+#include "mxstillpresenter.h"
+#include "mxtransitionmanager.h"
+#include "mxvariabletable.h"
+#include "scripts.h"
+
+// Defined in legopathstruct.cpp
+extern MxBool g_unk0x100f119c;
+
+// Defined in jetski.cpp
+extern const char* g_varJSFRNTY5;
+extern const char* g_varJSWNSHY5;
+
+// Defined in legoracespecial.cpp
+extern const char* g_raceState;
+extern const char* g_racing;
+
+// Defined in legopathactor.cpp
+extern const char* g_strHIT_WALL_SOUND;
+
 DECOMP_SIZE_ASSERT(JetskiRace, 0x144)
 
-// STUB: LEGO1 0x100162c0
+// FUNCTION: LEGO1 0x100162c0
+// FUNCTION: BETA10 0x100c7e6f
 MxResult JetskiRace::Create(MxDSAction& p_dsAction)
 {
-	return SUCCESS;
+	MxResult result = LegoRace::Create(p_dsAction);
+
+	GameState()->m_currentArea = LegoGameState::e_jetrace;
+	GameState()->StopArea(LegoGameState::e_undefined);
+	LegoGameState* gameState = GameState();
+	RaceState* jetskiRaceState = (RaceState*) gameState->GetState("JetskiRaceState");
+
+	if (!jetskiRaceState) {
+		jetskiRaceState = (RaceState*) gameState->CreateState("JetskiRaceState");
+	}
+
+	m_raceState = jetskiRaceState;
+
+	if (!jetskiRaceState) {
+		return FAILURE;
+	}
+
+	m_raceState->m_unk0x28 = 1;
+	m_unk0x130.SetLeft(397);
+	m_unk0x130.SetTop(317);
+	m_unk0x130.SetRight(543);
+	m_unk0x130.SetBottom(333);
+	LegoRaceCar::FUN_10013670();
+	InvokeAction(
+		Extra::e_start,
+		m_atomId,
+		DuneBuggy::GetColorOffset(g_varJSFRNTY5) + (DuneBuggy::GetColorOffset(g_varJSWNSHY5) * 5 + 0xf) * 2,
+		NULL
+	);
+	InvokeAction(Extra::e_start, m_atomId, JetraceScript::c_JetskiDashboard, NULL);
+	g_unk0x100f119c = TRUE;
+
+	return result;
 }
 
-// STUB: LEGO1 0x100163b0
+// FUNCTION: LEGO1 0x100163b0
+// FUNCTION: BETA10 0x100c7f10
 void JetskiRace::ReadyWorld()
 {
+	assert(m_hideAnim);
+	LegoWorld::ReadyWorld();
+	m_hideAnim->FUN_1006db40(0);
+
+	MxDSAction action;
+	action.SetAtomId(*g_jukeboxScript);
+	action.SetObjectId(JukeboxScript::c_JetskiRace_Music);
+	BackgroundAudioManager()->PlayMusic(action, 5, MxPresenter::e_repeating);
+
+	AnimationManager()->Resume();
+
+	m_unk0x128 = (MxStillPresenter*) Find("MxPresenter", "JetskiLocator2");
+	m_unk0x128->SetPosition(m_unk0x130.GetLeft(), m_unk0x130.GetTop());
+	m_unk0x12c = (MxStillPresenter*) Find("MxPresenter", "JetskiLocator3");
+	m_unk0x12c->SetPosition(m_unk0x130.GetLeft(), m_unk0x130.GetTop());
+
+	FUN_10015820(FALSE, LegoOmni::c_disableInput | LegoOmni::c_disable3d | LegoOmni::c_clearScreen);
+
+	VariableTable()->SetVariable("DISTANCE", "0.036");
+
+	InvokeAction(Extra::e_start, *g_jetraceScript, JetraceScript::c_AirHorn_PlayWav, NULL);
 }
 
-// STUB: LEGO1 0x10016520
-MxLong JetskiRace::HandleEndAction(MxEndActionNotificationParam&)
+// FUNCTION: LEGO1 0x10016520
+MxLong JetskiRace::HandleEndAction(MxEndActionNotificationParam& p_param)
 {
-	return 0;
+	MxLong result = 0;
+
+	if ((p_param.GetAction()) && (p_param.GetAction()->GetObjectId() == JetraceScript::c_AirHorn_PlayWav)) {
+		m_unk0x110[0]->Mute(FALSE);
+		m_unk0x110[1]->Mute(FALSE);
+		m_unk0x110[2]->Mute(FALSE);
+
+		VariableTable()->SetVariable(g_raceState, g_racing);
+		result = 1;
+	}
+
+	return result;
 }
 
-// STUB: LEGO1 0x100165a0
-MxLong JetskiRace::HandleClick(LegoEventNotificationParam&)
+// FUNCTION: LEGO1 0x100165a0
+MxLong JetskiRace::HandleClick(LegoEventNotificationParam& p_param)
 {
-	return 0;
+	MxLong result = 0;
+	if (((LegoControlManagerNotificationParam*) &p_param)->m_unk0x28 == 1) {
+		switch (((LegoControlManagerNotificationParam*) &p_param)->m_clickedObjectId) {
+		case JetraceScript::c_JetskiArms_Ctl:
+			m_act1State->m_unk0x018 = 0;
+			VariableTable()->SetVariable(g_raceState, "");
+			VariableTable()->SetVariable(g_strHIT_WALL_SOUND, "");
+			LegoRaceCar::FUN_10012de0();
+			m_destLocation = LegoGameState::e_jetraceExterior;
+			TransitionManager()->StartTransition(MxTransitionManager::e_mosaic, 50, FALSE, FALSE);
+			break;
+		case JetraceScript::c_JetskiInfo_Ctl:
+			m_act1State->m_unk0x018 = 0;
+			VariableTable()->SetVariable(g_raceState, "");
+			VariableTable()->SetVariable(g_strHIT_WALL_SOUND, "");
+			LegoRaceCar::FUN_10012de0();
+			m_destLocation = LegoGameState::e_infomain;
+			result = 1;
+			TransitionManager()->StartTransition(MxTransitionManager::e_mosaic, 50, FALSE, FALSE);
+			break;
+		default:
+			break;
+		}
+	}
+	return result;
 }
 
 // STUB: LEGO1 0x100166a0
@@ -31,8 +157,15 @@ MxLong JetskiRace::HandlePathStruct(LegoPathStructNotificationParam&)
 	return 0;
 }
 
-// STUB: LEGO1 0x10016a10
+// FUNCTION: LEGO1 0x10016a10
 MxBool JetskiRace::Escape()
 {
+	AnimationManager()->FUN_10061010(FALSE);
+	DeleteObjects(&m_atomId, 500, 999);
+	m_act1State->m_unk0x018 = 0;
+	VariableTable()->SetVariable(g_raceState, "");
+	VariableTable()->SetVariable(g_strHIT_WALL_SOUND, "");
+	m_destLocation = LegoGameState::e_infomain;
+	LegoRaceCar::FUN_10012de0();
 	return TRUE;
 }
diff --git a/LEGO1/lego/legoomni/src/race/legorace.cpp b/LEGO1/lego/legoomni/src/race/legorace.cpp
index f4cad9d0..2564f7a5 100644
--- a/LEGO1/lego/legoomni/src/race/legorace.cpp
+++ b/LEGO1/lego/legoomni/src/race/legorace.cpp
@@ -23,10 +23,10 @@ LegoRace::LegoRace()
 	m_unk0x104 = 0;
 	m_unk0x108 = 0;
 	m_unk0x10c = 0;
-	m_unk0x140 = 0;
-	m_unk0x110 = 0;
-	m_unk0x114 = 0;
-	m_unk0x118 = 0;
+	m_raceState = NULL;
+	m_unk0x110[0] = NULL;
+	m_unk0x110[1] = NULL;
+	m_unk0x110[2] = NULL;
 	m_unk0x128 = 0;
 	m_unk0x12c = 0;
 	m_pathActor = 0;
@@ -54,6 +54,7 @@ MxBool LegoRace::Escape()
 }
 
 // FUNCTION: LEGO1 0x10015ce0
+// FUNCTION: BETA10 0x100c7a71
 MxResult LegoRace::Create(MxDSAction& p_dsAction)
 {
 	MxResult result = LegoWorld::Create(p_dsAction);
@@ -150,6 +151,7 @@ RaceState::RaceState()
 }
 
 // FUNCTION: LEGO1 0x10016140
+// FUNCTION: BETA10 0x100c7d9f
 MxResult RaceState::Serialize(LegoFile* p_file)
 {
 	LegoState::Serialize(p_file);
diff --git a/LEGO1/lego/legoomni/src/race/legoracers.cpp b/LEGO1/lego/legoomni/src/race/legoracers.cpp
index 7a60d59c..472421ec 100644
--- a/LEGO1/lego/legoomni/src/race/legoracers.cpp
+++ b/LEGO1/lego/legoomni/src/race/legoracers.cpp
@@ -21,6 +21,12 @@ DECOMP_SIZE_ASSERT(EdgeReference, 0x08)
 DECOMP_SIZE_ASSERT(SkeletonKickPhase, 0x10)
 DECOMP_SIZE_ASSERT(LegoRaceCar, 0x200)
 
+// GLOBAL: LEGO1 0x100f0bac
+static undefined4 g_unk0x100f0bac = 0;
+
+// GLOBAL: LEGO1 0x100f0bb0
+static undefined4 g_unk0x100f0bb0 = 0;
+
 // GLOBAL: LEGO1 0x100f0a20
 // GLOBAL: BETA10 0x101f5e34
 EdgeReference LegoRaceCar::g_skBMap[] = {
@@ -166,6 +172,14 @@ MxLong LegoRaceCar::Notify(MxParam& p_param)
 	return LegoRaceMap::Notify(p_param);
 }
 
+// FUNCTION: LEGO1 0x10012de0
+void LegoRaceCar::FUN_10012de0()
+{
+	g_unk0x100f0b8c = TRUE;
+	g_timeLastSoundPlayed = 0;
+	g_unk0x100f0b88 = 0;
+}
+
 // FUNCTION: LEGO1 0x10012e60
 // FUNCTION: BETA10 0x100cb191
 void LegoRaceCar::SetWorldSpeed(MxFloat p_worldSpeed)
@@ -513,6 +527,16 @@ MxResult LegoRaceCar::VTable0x9c()
 	return result;
 }
 
+// FUNCTION: LEGO1 0x10013670
+void LegoRaceCar::FUN_10013670()
+{
+	g_unk0x100f0bac = (rand() & 0xc) >> 2;
+
+	// Inlining the `rand()` causes this function to mismatch
+	MxU32 uVar1 = rand();
+	g_unk0x100f0bb0 = uVar1 % 0xc >> 2;
+}
+
 // FUNCTION: LEGO1 0x10014500
 // FUNCTION: BETA10 0x100cd5e0
 MxU32 LegoRaceCar::VTable0x6c(
diff --git a/LEGO1/library_msvc.h b/LEGO1/library_msvc.h
index c4a46848..f50de490 100644
--- a/LEGO1/library_msvc.h
+++ b/LEGO1/library_msvc.h
@@ -741,4 +741,7 @@
 // LIBRARY: BETA10 0x1001d1a0
 // `vector constructor iterator'
 
+// LIBRARY: BETA10 0x100f8ad0
+// strcmp
+
 #endif
diff --git a/LEGO1/omni/include/mxentity.h b/LEGO1/omni/include/mxentity.h
index cf16ad07..96348a65 100644
--- a/LEGO1/omni/include/mxentity.h
+++ b/LEGO1/omni/include/mxentity.h
@@ -18,6 +18,7 @@ class MxEntity : public MxCore {
 	~MxEntity() override {}
 
 	// FUNCTION: LEGO1 0x1000c180
+	// FUNCTION: BETA10 0x10012700
 	const char* ClassName() const override // vtable+0x0c
 	{
 		// STRING: LEGO1 0x100f0070
@@ -25,6 +26,7 @@ class MxEntity : public MxCore {
 	}
 
 	// FUNCTION: LEGO1 0x1000c190
+	// FUNCTION: BETA10 0x10012610
 	MxBool IsA(const char* p_name) const override // vtable+0x10
 	{
 		return !strcmp(p_name, MxEntity::ClassName()) || MxCore::IsA(p_name);