diff --git a/Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTerrainVisual.cpp b/Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTerrainVisual.cpp
index c76cdb1a23e..d05b3d123a0 100644
--- a/Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTerrainVisual.cpp
+++ b/Core/GameEngineDevice/Source/W3DDevice/GameClient/W3DTerrainVisual.cpp
@@ -606,11 +606,19 @@ Bool W3DTerrainVisual::load( AsciiString filename )
 	// apply the heightmap to the terrain render object
 
 #ifdef DO_SEISMIC_SIMULATIONS
+	if (TheGlobalData->m_renderAllTerrain) {
+		m_clientHeightMap->setDrawWidth(m_clientHeightMap->getXExtent());
+		m_clientHeightMap->setDrawHeight(m_clientHeightMap->getYExtent());
+	}
 	m_terrainRenderObject->initHeightData( m_clientHeightMap->getDrawWidth(),
 																				 m_clientHeightMap->getDrawHeight(),
 																				 m_clientHeightMap,
 																				 it);
 #else
+	if (TheGlobalData->m_renderAllTerrain) {
+		m_logicHeightMap->setDrawWidth(m_logicHeightMap->getXExtent());
+		m_logicHeightMap->setDrawHeight(m_logicHeightMap->getYExtent());
+	}
 	m_terrainRenderObject->initHeightData( m_logicHeightMap->getDrawWidth(),
 																				 m_logicHeightMap->getDrawHeight(),
 																				 m_logicHeightMap,
diff --git a/Generals/Code/GameEngine/Include/Common/GlobalData.h b/Generals/Code/GameEngine/Include/Common/GlobalData.h
index d9d861d7e95..365ad894c95 100644
--- a/Generals/Code/GameEngine/Include/Common/GlobalData.h
+++ b/Generals/Code/GameEngine/Include/Common/GlobalData.h
@@ -119,7 +119,7 @@ class GlobalData : public SubsystemInterface
 	// TheSuperHackers @feature helmutbuhler 11/04/2025
 	// Run game without graphics, input or audio.
 	Bool m_headless;
-
+	Bool m_renderAllTerrain;
 	Bool m_windowed;
 	Int m_xResolution;
 	Int m_yResolution;
diff --git a/Generals/Code/GameEngine/Source/Common/GlobalData.cpp b/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
index 446d64d797d..fbcde8287cf 100644
--- a/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
+++ b/Generals/Code/GameEngine/Source/Common/GlobalData.cpp
@@ -91,7 +91,7 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "UseHalfHeightMap",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_useHalfHeightMap ) },
 	{ "UserDataLeafName",					INI::parseQuotedAsciiString,	nullptr,			offsetof( GlobalData, m_userDataLeafName ) },
 
-
+	{ "RenderAllTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_renderAllTerrain ) },
 	{ "DrawEntireTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_drawEntireTerrain ) },
 	{ "TerrainLOD",									INI::parseIndexList,	TerrainLODNames,	offsetof( GlobalData, m_terrainLOD ) },
 	{ "TerrainLODTargetTimeMS",			INI::parseInt,				nullptr,			offsetof( GlobalData, m_terrainLODTargetTimeMS ) },
@@ -427,7 +427,6 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "ShellMapName",								INI::parseAsciiString,nullptr,			offsetof( GlobalData, m_shellMapName ) },
 	{ "ShellMapOn",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_shellMapOn ) },
 	{	"PlayIntro",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_playIntro ) },
-
 	{ "FirewallBehavior",						INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallBehavior ) },
 	{ "FirewallPortOverride",				INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortOverride ) },
 	{	"FirewallPortAllocationDelta",INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortAllocationDelta) },
@@ -627,6 +626,7 @@ GlobalData::GlobalData()
 	m_framesPerSecondLimit = 0;
 	m_chipSetType = 0;
 	m_headless = FALSE;
+	m_renderAllTerrain = FALSE;
 	m_windowed = 0;
 	m_xResolution = DEFAULT_DISPLAY_WIDTH;
 	m_yResolution = DEFAULT_DISPLAY_HEIGHT;
@@ -1225,6 +1225,7 @@ void GlobalData::parseGameDataDefinition( INI* ini )
 
 	TheWritableGlobalData->m_xResolution = xres;
 	TheWritableGlobalData->m_yResolution = yres;
+	TheWritableGlobalData->m_renderAllTerrain = optionPref.getBool("RenderAllTerrain", TheWritableGlobalData->m_renderAllTerrain);
 }
 
 void GlobalData::parseCustomDefinition()
diff --git a/GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h b/GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h
index 337477129cf..cdd35364630 100644
--- a/GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h
+++ b/GeneralsMD/Code/GameEngine/Include/Common/GlobalData.h
@@ -120,7 +120,7 @@ class GlobalData : public SubsystemInterface
 	// TheSuperHackers @feature helmutbuhler 11/04/2025
 	// Run game without graphics, input or audio.
 	Bool m_headless;
-
+	Bool m_renderAllTerrain;
 	Bool m_windowed;
 	Int m_xResolution;
 	Int m_yResolution;
diff --git a/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp b/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
index e7e324c57aa..9293027d8b9 100644
--- a/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
+++ b/GeneralsMD/Code/GameEngine/Source/Common/GlobalData.cpp
@@ -91,7 +91,7 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "StretchTerrain",						INI::parseBool,				nullptr,			offsetof( GlobalData, m_stretchTerrain ) },
 	{ "UseHalfHeightMap",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_useHalfHeightMap ) },
 
-
+	{ "RenderAllTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_renderAllTerrain ) },
 	{ "DrawEntireTerrain",					INI::parseBool,				nullptr,			offsetof( GlobalData, m_drawEntireTerrain ) },
 	{ "TerrainLOD",									INI::parseIndexList,	TerrainLODNames,	offsetof( GlobalData, m_terrainLOD ) },
 	{ "TerrainLODTargetTimeMS",			INI::parseInt,				nullptr,			offsetof( GlobalData, m_terrainLODTargetTimeMS ) },
@@ -427,7 +427,6 @@ GlobalData* GlobalData::m_theOriginal = nullptr;
 	{ "ShellMapName",								INI::parseAsciiString,nullptr,			offsetof( GlobalData, m_shellMapName ) },
 	{ "ShellMapOn",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_shellMapOn ) },
 	{	"PlayIntro",									INI::parseBool,				nullptr,			offsetof( GlobalData, m_playIntro ) },
-
 	{ "FirewallBehavior",						INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallBehavior ) },
 	{ "FirewallPortOverride",				INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortOverride ) },
 	{	"FirewallPortAllocationDelta",INI::parseInt,				nullptr,			offsetof( GlobalData, m_firewallPortAllocationDelta) },
@@ -631,6 +630,7 @@ GlobalData::GlobalData()
 	m_framesPerSecondLimit = 0;
 	m_chipSetType = 0;
 	m_headless = FALSE;
+	m_renderAllTerrain = FALSE;
 	m_windowed = 0;
 	m_xResolution = DEFAULT_DISPLAY_WIDTH;
 	m_yResolution = DEFAULT_DISPLAY_HEIGHT;
@@ -1245,6 +1245,7 @@ void GlobalData::parseGameDataDefinition( INI* ini )
 
 	TheWritableGlobalData->m_xResolution = xres;
 	TheWritableGlobalData->m_yResolution = yres;
+	TheWritableGlobalData->m_renderAllTerrain = optionPref.getBool("RenderAllTerrain", TheWritableGlobalData->m_renderAllTerrain);
 }
 
 void GlobalData::parseCustomDefinition()