diff --git a/ISLE/isleapp.cpp b/ISLE/isleapp.cpp
index 9ede5d74..79622d81 100644
--- a/ISLE/isleapp.cpp
+++ b/ISLE/isleapp.cpp
@@ -84,7 +84,7 @@ MxU8 g_mousedown = FALSE;
 MxU8 g_mousemoved = FALSE;
 
 // GLOBAL: ISLE 0x41003c
-MxS32 g_closed = FALSE;
+MxBool g_closed = FALSE;
 
 // GLOBAL: ISLE 0x410050
 MxS32 g_rmDisabled = FALSE;
diff --git a/ISLE/isleapp.h b/ISLE/isleapp.h
index 66e8e6e1..6532af96 100644
--- a/ISLE/isleapp.h
+++ b/ISLE/isleapp.h
@@ -73,20 +73,20 @@ class IsleApp {
 	char* m_deviceId;            // 0x08
 	char* m_savePath;            // 0x0c
 	MxBool m_fullScreen;         // 0x10
-	MxS32 m_flipSurfaces;        // 0x14
-	MxS32 m_backBuffersInVram;   // 0x18
-	MxS32 m_using8bit;           // 0x1c
-	MxS32 m_using16bit;          // 0x20
-	MxS32 m_hasLightSupport;     // 0x24
-	MxS32 m_use3dSound;          // 0x28
-	MxS32 m_useMusic;            // 0x2c
-	MxS32 m_wideViewAngle;       // 0x38
+	MxBool m_flipSurfaces;       // 0x14
+	MxBool m_backBuffersInVram;  // 0x18
+	MxBool m_using8bit;          // 0x1c
+	MxBool m_using16bit;         // 0x20
+	MxBool m_hasLightSupport;    // 0x24
+	MxBool m_use3dSound;         // 0x28
+	MxBool m_useMusic;           // 0x2c
+	MxBool m_wideViewAngle;      // 0x38
 	MxS32 m_islandQuality;       // 0x3c
 	MxS32 m_islandTexture;       // 0x40
 	MxS32 m_gameStarted;         // 0x44
 	MxLong m_frameDelta;         // 0x48
 	MxVideoParam m_videoParam;   // 0x4c
-	MxS32 m_windowActive;        // 0x70
+	MxBool m_windowActive;       // 0x70
 	HWND m_windowHandle;         // 0x74
 	MxS32 m_drawCursor;          // 0x78
 	SDL_Cursor* m_cursorArrow;   // 0x7c
@@ -119,7 +119,7 @@ class IsleApp {
 };
 
 extern IsleApp* g_isle;
-extern MxS32 g_closed;
+extern MxBool g_closed;
 
 extern IDirect3DRMMiniwinDevice* GetD3DRMMiniwinDevice();
 
diff --git a/LEGO1/lego/legoomni/include/act2brick.h b/LEGO1/lego/legoomni/include/act2brick.h
index 26c51f8c..8f8e4d76 100644
--- a/LEGO1/lego/legoomni/include/act2brick.h
+++ b/LEGO1/lego/legoomni/include/act2brick.h
@@ -49,7 +49,7 @@ class Act2Brick : public LegoPathActor {
 	undefined4 m_unk0x164;          // 0x164
 	Mx3DPointFloat m_unk0x168;      // 0x168
 	Mx3DPointFloat m_unk0x17c;      // 0x17c
-	MxS32 m_unk0x190;               // 0x190
+	MxU8 m_unk0x190;                // 0x190
 };
 
 #endif // ACT2BRICK_H
diff --git a/LEGO1/lego/legoomni/include/legovideomanager.h b/LEGO1/lego/legoomni/include/legovideomanager.h
index b6ad3866..203497f1 100644
--- a/LEGO1/lego/legoomni/include/legovideomanager.h
+++ b/LEGO1/lego/legoomni/include/legovideomanager.h
@@ -96,7 +96,6 @@ class LegoVideoManager : public MxVideoManager {
 	LegoROI* m_viewROI;                   // 0x6c
 	undefined4 m_unk0x70;                 // 0x70
 	MxDirect3D* m_direct3d;               // 0x74
-	undefined4 m_unk0x78[27];             // 0x78
 	MxBool m_render3d;                    // 0xe4
 	MxBool m_unk0xe5;                     // 0xe5
 	MxBool m_unk0xe6;                     // 0xe6
diff --git a/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp b/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
index 9a3ac922..585b0df0 100644
--- a/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
+++ b/LEGO1/lego/legoomni/src/paths/legopathcontroller.cpp
@@ -14,10 +14,10 @@ DECOMP_SIZE_ASSERT(LegoPathController::CtrlBoundary, 0x08)
 DECOMP_SIZE_ASSERT(LegoPathController::CtrlEdge, 0x08)
 
 // GLOBAL: LEGO1 0x100d7cc8
-MxU32 g_unk0x100d7cc8[] = {2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 0};
+MxU8 g_unk0x100d7cc8[] = {2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 2, 0};
 
 // GLOBAL: LEGO1 0x100d7d08
-MxU32 g_unk0x100d7d08[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+MxU8 g_unk0x100d7d08[] = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
 
 // GLOBAL: LEGO1 0x100f42e8
 // GLOBAL: BETA10 0x101f25f0
diff --git a/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp b/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
index 9e31e18b..388d70ed 100644
--- a/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
+++ b/LEGO1/lego/legoomni/src/video/legoanimpresenter.cpp
@@ -1,6 +1,7 @@
 #include "legoanimpresenter.h"
 
 #include "3dmanager/lego3dmanager.h"
+#include "SDL3/SDL_log.h"
 #include "anim/legoanim.h"
 #include "define.h"
 #include "legoanimactor.h"
diff --git a/LEGO1/lego/legoomni/src/video/legovideomanager.cpp b/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
index fe56a353..12634648 100644
--- a/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
+++ b/LEGO1/lego/legoomni/src/video/legovideomanager.cpp
@@ -36,8 +36,6 @@ LegoVideoManager::LegoVideoManager()
 	m_viewROI = NULL;
 	m_direct3d = NULL;
 	m_unk0xe6 = FALSE;
-	memset(m_unk0x78, 0, sizeof(m_unk0x78));
-	m_unk0x78[0] = 0x6c;
 	m_phonemeRefList = NULL;
 	m_isFullscreenMovie = FALSE;
 	m_palette = NULL;
diff --git a/LEGO1/lego/sources/3dmanager/lego3dview.cpp b/LEGO1/lego/sources/3dmanager/lego3dview.cpp
index 1cc272e1..b99f6213 100644
--- a/LEGO1/lego/sources/3dmanager/lego3dview.cpp
+++ b/LEGO1/lego/sources/3dmanager/lego3dview.cpp
@@ -15,7 +15,6 @@ Lego3DView::Lego3DView()
 {
 	m_pViewManager = 0;
 	m_previousRenderTime = 0;
-	m_unk0x98 = 0;
 	m_pPointOfView = 0;
 }
 
@@ -50,7 +49,6 @@ BOOL Lego3DView::Create(const TglSurface::CreateStruct& rCreateStruct, Tgl::Rend
 	m_pViewManager->SetResolution(GetWidth(), GetHeight());
 	m_pViewManager->SetFrustrum(viewAngle, frontClippingDistance, backClippingDistance);
 	m_previousRenderTime = 0;
-	m_unk0x98 = 0;
 
 	// // NOTE: a derived class must inform view manager when it configures
 	// //       its (Tgl) view: calling Tgl::View::SetFrustrum() should be
diff --git a/LEGO1/lego/sources/3dmanager/lego3dview.h b/LEGO1/lego/sources/3dmanager/lego3dview.h
index 4441b85e..f22e23e3 100644
--- a/LEGO1/lego/sources/3dmanager/lego3dview.h
+++ b/LEGO1/lego/sources/3dmanager/lego3dview.h
@@ -35,7 +35,6 @@ class Lego3DView : public LegoView1 {
 private:
 	ViewManager* m_pViewManager; // 0x88
 	double m_previousRenderTime; // 0x90
-	double m_unk0x98;            // 0x98
 	ViewROI* m_pPointOfView;     // 0xa0
 };
 
diff --git a/LEGO1/mxdirectx/mxdirect3d.h b/LEGO1/mxdirectx/mxdirect3d.h
index b44c72e8..5f9f2bd5 100644
--- a/LEGO1/mxdirectx/mxdirect3d.h
+++ b/LEGO1/mxdirectx/mxdirect3d.h
@@ -64,7 +64,6 @@ class MxDirect3D : public MxDirectDraw {
 	IDirect3D2* m_pDirect3d;               // 0x884
 	IDirect3DDevice2* m_pDirect3dDevice;   // 0x888
 	BOOL m_bTexturesDisabled;              // 0x88c
-	undefined4 m_unk0x890;                 // 0x890
 	std::string m_deviceName;
 	std::string m_deviceDesc;
 };
diff --git a/LEGO1/mxdirectx/mxdirectdraw.h b/LEGO1/mxdirectx/mxdirectdraw.h
index 554de189..14b182b4 100644
--- a/LEGO1/mxdirectx/mxdirectdraw.h
+++ b/LEGO1/mxdirectx/mxdirectdraw.h
@@ -102,7 +102,6 @@ class MxDirectDraw {
 	BOOL m_bIgnoreWMSIZE;                       // 0x844
 	BOOL m_bPrimaryPalettized;                  // 0x848
 	BOOL m_bFullScreen;                         // 0x84c
-	void* m_unk0x850;                           // 0x850
 	BOOL m_bOnlySystemMemory;                   // 0x854
 	BOOL m_bIsOnPrimaryDevice;                  // 0x858
 	ErrorHandler m_pErrorHandler;               // 0x85c
diff --git a/LEGO1/mxdirectx/mxdirectxinfo.h b/LEGO1/mxdirectx/mxdirectxinfo.h
index e3491891..642f2bcb 100644
--- a/LEGO1/mxdirectx/mxdirectxinfo.h
+++ b/LEGO1/mxdirectx/mxdirectxinfo.h
@@ -28,10 +28,9 @@ struct DeviceModesInfo {
 	DeviceModesInfo();
 	~DeviceModesInfo();
 
-	GUID* m_guid;     // 0x00
-	int m_count;      // 0x08
-	DDCAPS m_ddcaps;  // 0x0c
-	void* m_unk0x178; // 0x178
+	GUID* m_guid;    // 0x00
+	int m_count;     // 0x08
+	DDCAPS m_ddcaps; // 0x0c
 
 	// SYNTHETIC: BETA10 0x1011c650
 	// DeviceModesInfo::`scalar deleting destructor'
diff --git a/LEGO1/omni/include/mxdsaction.h b/LEGO1/omni/include/mxdsaction.h
index 8dbccf46..12af0fe0 100644
--- a/LEGO1/omni/include/mxdsaction.h
+++ b/LEGO1/omni/include/mxdsaction.h
@@ -129,7 +129,6 @@ class MxDSAction : public MxDSObject {
 	char* m_extraData;            // 0x7c
 	MxU16 m_extraLength;          // 0x80
 	MxCore* m_notificationObject; // 0x84
-	undefined4 m_unk0x88;         // 0x88
 	MxCore* m_origin;             // 0x8c
 	MxLong m_timeStarted;         // 0x90
 };
diff --git a/LEGO1/omni/include/mxdsbuffer.h b/LEGO1/omni/include/mxdsbuffer.h
index a988ca57..e146ca19 100644
--- a/LEGO1/omni/include/mxdsbuffer.h
+++ b/LEGO1/omni/include/mxdsbuffer.h
@@ -100,7 +100,6 @@ class MxDSBuffer : public MxCore {
 	MxU8* m_pIntoBuffer;            // 0x0c
 	MxU8* m_pIntoBuffer2;           // 0x10
 	undefined4 m_unk0x14;           // 0x14
-	undefined4 m_unk0x18;           // 0x18
 	undefined4 m_unk0x1c;           // 0x1c
 	MxU16 m_referenceCount;         // 0x20
 	Type m_mode;                    // 0x24
diff --git a/LEGO1/omni/include/mxdsmediaaction.h b/LEGO1/omni/include/mxdsmediaaction.h
index 359061ca..5f6d5b51 100644
--- a/LEGO1/omni/include/mxdsmediaaction.h
+++ b/LEGO1/omni/include/mxdsmediaaction.h
@@ -77,7 +77,6 @@ class MxDSMediaAction : public MxDSAction {
 	MxS32 m_mediaFormat;       // 0xa8
 	MxS32 m_paletteManagement; // 0xac
 	MxLong m_sustainTime;      // 0xb0
-	undefined4 m_unk0xb4;      // 0xb4
 };
 
 #endif // MXDSMEDIAACTION_H
diff --git a/LEGO1/omni/include/mxdsserialaction.h b/LEGO1/omni/include/mxdsserialaction.h
index 5e8a4fbd..79e24c87 100644
--- a/LEGO1/omni/include/mxdsserialaction.h
+++ b/LEGO1/omni/include/mxdsserialaction.h
@@ -42,7 +42,6 @@ class MxDSSerialAction : public MxDSMultiAction {
 private:
 	MxDSActionListCursor* m_cursor; // 0x9c
 	undefined4 m_unk0xa0;           // 0xa0
-	undefined4 m_unk0xa4;           // 0xa4
 };
 
 #endif // MXDSSERIALACTION_H
diff --git a/LEGO1/omni/include/mxdsstreamingaction.h b/LEGO1/omni/include/mxdsstreamingaction.h
index 22ccd62d..4c36c54a 100644
--- a/LEGO1/omni/include/mxdsstreamingaction.h
+++ b/LEGO1/omni/include/mxdsstreamingaction.h
@@ -71,7 +71,6 @@ class MxDSStreamingAction : public MxDSAction {
 	MxDSBuffer* m_unk0xa0;        // 0xa0
 	MxDSBuffer* m_unk0xa4;        // 0xa4
 	MxLong m_unk0xa8;             // 0xa8
-	undefined2 m_unk0xac;         // 0xac
 	MxDSAction* m_internalAction; // 0xb0
 };
 
diff --git a/LEGO1/omni/include/mxnotificationmanager.h b/LEGO1/omni/include/mxnotificationmanager.h
index ff26751f..e3dc05c4 100644
--- a/LEGO1/omni/include/mxnotificationmanager.h
+++ b/LEGO1/omni/include/mxnotificationmanager.h
@@ -31,7 +31,6 @@ class MxNotificationManager : public MxCore {
 	MxNotificationPtrList* m_queue;    // 0x08
 	MxNotificationPtrList* m_sendList; // 0x0c
 	MxCriticalSection m_lock;          // 0x10
-	MxS32 m_unk0x2c;                   // 0x2c
 	MxIdList m_listenerIds;            // 0x30
 	MxBool m_active;                   // 0x3c
 
diff --git a/LEGO1/omni/include/mxvideoparam.h b/LEGO1/omni/include/mxvideoparam.h
index cd425ba9..c0a9657e 100644
--- a/LEGO1/omni/include/mxvideoparam.h
+++ b/LEGO1/omni/include/mxvideoparam.h
@@ -64,7 +64,6 @@ class MxVideoParam {
 	MxPalette* m_palette;      // 0x10
 	MxU32 m_backBuffers;       // 0x14
 	MxVideoParamFlags m_flags; // 0x18
-	int m_unk0x1c;             // 0x1c
 	char* m_deviceId;          // 0x20
 	MxU32 m_msaaSamples;
 	MxFloat m_anisotropic;
diff --git a/LEGO1/omni/src/action/mxdsaction.cpp b/LEGO1/omni/src/action/mxdsaction.cpp
index aa92b9af..a1f02f3a 100644
--- a/LEGO1/omni/src/action/mxdsaction.cpp
+++ b/LEGO1/omni/src/action/mxdsaction.cpp
@@ -29,7 +29,6 @@ MxDSAction::MxDSAction()
 	m_direction.Fill(FLT_MAX);
 	m_up.Fill(FLT_MAX);
 	m_notificationObject = NULL;
-	m_unk0x88 = 0;
 	m_origin = NULL;
 	m_timeStarted = INT_MIN;
 }
@@ -90,7 +89,6 @@ void MxDSAction::CopyFrom(MxDSAction& p_dsAction)
 	m_up = p_dsAction.m_up;
 	AppendExtra(p_dsAction.m_extraLength, p_dsAction.m_extraData);
 	m_notificationObject = p_dsAction.m_notificationObject;
-	m_unk0x88 = p_dsAction.m_unk0x88;
 	m_origin = p_dsAction.m_origin;
 	m_timeStarted = p_dsAction.m_timeStarted;
 }
diff --git a/LEGO1/omni/src/action/mxdsmediaaction.cpp b/LEGO1/omni/src/action/mxdsmediaaction.cpp
index 3cdf8334..e9b1a151 100644
--- a/LEGO1/omni/src/action/mxdsmediaaction.cpp
+++ b/LEGO1/omni/src/action/mxdsmediaaction.cpp
@@ -15,7 +15,6 @@ MxDSMediaAction::MxDSMediaAction()
 	m_unk0x9c.SetUnk0x04(0);
 	m_framesPerSecond = 0;
 	m_mediaFormat = 0;
-	m_unk0xb4 = -1;
 	m_paletteManagement = 1;
 	m_sustainTime = 0;
 }
diff --git a/LEGO1/omni/src/action/mxdsstreamingaction.cpp b/LEGO1/omni/src/action/mxdsstreamingaction.cpp
index 939cd5e3..21f30221 100644
--- a/LEGO1/omni/src/action/mxdsstreamingaction.cpp
+++ b/LEGO1/omni/src/action/mxdsstreamingaction.cpp
@@ -55,7 +55,6 @@ void MxDSStreamingAction::Init()
 	m_unk0xa0 = NULL;
 	m_unk0xa4 = NULL;
 	m_unk0xa8 = 0;
-	m_unk0xac = 2;
 	m_internalAction = NULL;
 }
 
@@ -69,7 +68,6 @@ MxDSStreamingAction* MxDSStreamingAction::CopyFrom(MxDSStreamingAction& p_dsStre
 	m_unk0x9c = p_dsStreamingAction.m_unk0x9c;
 	m_unk0xa0 = NULL;
 	m_unk0xa4 = NULL;
-	m_unk0xac = p_dsStreamingAction.m_unk0xac;
 	m_unk0xa8 = p_dsStreamingAction.m_unk0xa8;
 	SetInternalAction(p_dsStreamingAction.m_internalAction ? p_dsStreamingAction.m_internalAction->Clone() : NULL);
 
diff --git a/LEGO1/omni/src/audio/mxsoundmanager.cpp b/LEGO1/omni/src/audio/mxsoundmanager.cpp
index 39091e8f..286ff7e4 100644
--- a/LEGO1/omni/src/audio/mxsoundmanager.cpp
+++ b/LEGO1/omni/src/audio/mxsoundmanager.cpp
@@ -14,7 +14,7 @@
 DECOMP_SIZE_ASSERT(MxSoundManager, 0x3c);
 
 // GLOBAL LEGO1 0x10101420
-MxS32 g_volumeAttenuation[100] = {-6643, -5643, -5058, -4643, -4321, -4058, -3836, -3643, -3473, -3321, -3184, -3058,
+MxS16 g_volumeAttenuation[100] = {-6643, -5643, -5058, -4643, -4321, -4058, -3836, -3643, -3473, -3321, -3184, -3058,
 								  -2943, -2836, -2736, -2643, -2556, -2473, -2395, -2321, -2251, -2184, -2120, -2058,
 								  -2000, -1943, -1888, -1836, -1785, -1736, -1689, -1643, -1599, -1556, -1514, -1473,
 								  -1434, -1395, -1358, -1321, -1286, -1251, -1217, -1184, -1152, -1120, -1089, -1058,
diff --git a/LEGO1/omni/src/notify/mxnotificationmanager.cpp b/LEGO1/omni/src/notify/mxnotificationmanager.cpp
index 064f38f3..d1d36ad1 100644
--- a/LEGO1/omni/src/notify/mxnotificationmanager.cpp
+++ b/LEGO1/omni/src/notify/mxnotificationmanager.cpp
@@ -29,7 +29,6 @@ MxNotification::~MxNotification()
 // FUNCTION: BETA10 0x10125805
 MxNotificationManager::MxNotificationManager() : MxCore(), m_lock(), m_listenerIds()
 {
-	m_unk0x2c = 0;
 	m_queue = NULL;
 	m_active = TRUE;
 	m_sendList = NULL;
diff --git a/LEGO1/omni/src/stream/mxdsbuffer.cpp b/LEGO1/omni/src/stream/mxdsbuffer.cpp
index 0d49741a..29a8a9c0 100644
--- a/LEGO1/omni/src/stream/mxdsbuffer.cpp
+++ b/LEGO1/omni/src/stream/mxdsbuffer.cpp
@@ -22,7 +22,6 @@ MxDSBuffer::MxDSBuffer()
 	m_pIntoBuffer2 = NULL;
 	m_referenceCount = 0;
 	m_unk0x14 = 0;
-	m_unk0x18 = 0;
 	m_unk0x1c = 0;
 	m_writeOffset = 0;
 	m_bytesRemaining = 0;
diff --git a/LEGO1/omni/src/video/mxvideoparam.cpp b/LEGO1/omni/src/video/mxvideoparam.cpp
index 45a9a688..9ef4fd8a 100644
--- a/LEGO1/omni/src/video/mxvideoparam.cpp
+++ b/LEGO1/omni/src/video/mxvideoparam.cpp
@@ -14,7 +14,6 @@ MxVideoParam::MxVideoParam()
 	m_rect = MxRect32(0, 0, 640, 480);
 	m_palette = NULL;
 	m_backBuffers = 0;
-	m_unk0x1c = 0;
 	m_deviceId = NULL;
 }
 
@@ -26,7 +25,6 @@ MxVideoParam::MxVideoParam(MxRect32& p_rect, MxPalette* p_palette, MxULong p_bac
 	m_palette = p_palette;
 	m_backBuffers = p_backBuffers;
 	m_flags = p_flags;
-	m_unk0x1c = 0;
 	m_deviceId = NULL;
 	m_msaaSamples = 0;
 	m_anisotropic = 0.0f;
@@ -40,7 +38,6 @@ MxVideoParam::MxVideoParam(MxVideoParam& p_videoParam)
 	m_palette = p_videoParam.m_palette;
 	m_backBuffers = p_videoParam.m_backBuffers;
 	m_flags = p_videoParam.m_flags;
-	m_unk0x1c = p_videoParam.m_unk0x1c;
 	m_deviceId = NULL;
 	SetDeviceName(p_videoParam.m_deviceId);
 	m_msaaSamples = p_videoParam.m_msaaSamples;
@@ -84,7 +81,6 @@ MxVideoParam& MxVideoParam::operator=(const MxVideoParam& p_videoParam)
 	m_palette = p_videoParam.m_palette;
 	m_backBuffers = p_videoParam.m_backBuffers;
 	m_flags = p_videoParam.m_flags;
-	m_unk0x1c = p_videoParam.m_unk0x1c;
 	SetDeviceName(p_videoParam.m_deviceId);
 	m_msaaSamples = p_videoParam.m_msaaSamples;
 	m_anisotropic = p_videoParam.m_anisotropic;