diff --git a/README.txt b/README.txt
index 88a12a76..8730a0a1 100644
--- a/README.txt
+++ b/README.txt
@@ -130,19 +130,21 @@ If you don't want to use git, you can download the source as a zip file at
 
 ___________________________________________________________________
 
-5) COMPILING ON WIN32 WITH VISUAL C++ 2010 EXPRESS EDITION
+5) COMPILING ON WIN32 WITH VISUAL C++ 2013 EXPRESS EDITION
 __________________________________________________________
 
-1. Download and install the Visual C++ 2010 Express Edition.
+1. Download and install the Visual C++ 2013 Express Edition.
 
-2. Generate the VC10 projects using CMake by doubleclicking a matching configuration .bat file in the neo/ folder.
+2. Download and install the latest CMake.
 
-3. Use the VC10 solution to compile what you need:
+3. Generate the VC13 projects using CMake by doubleclicking a matching configuration .bat file in the neo/ folder.
+
+4. Use the VC13 solution to compile what you need:
 	RBDOOM-3-BFG/build/RBDoom3BFG.sln
 	
-4. Download ffmpeg-20140405-git-ec8789a-win32-shared.7z from ffmpeg.zeranoe.com/builds/win32/devel
+5. Download ffmpeg-20140405-git-ec8789a-win32-shared.7z from ffmpeg.zeranoe.com/builds/win32/shared
 
-5. Extract the DLLs to your current build directory under RBDOOM-3-BFG/build/
+6. Extract the FFmpeg DLLs to your current build directory under RBDOOM-3-BFG/build/
 
 
 __________________________________
diff --git a/neo/d3xp/menus/MenuScreen.h b/neo/d3xp/menus/MenuScreen.h
index dbeae1cd..35e1ad27 100644
--- a/neo/d3xp/menus/MenuScreen.h
+++ b/neo/d3xp/menus/MenuScreen.h
@@ -1364,8 +1364,8 @@ public:
 			SYSTEM_FIELD_MOTIONBLUR,
 			// RB begin
 			SYSTEM_FIELD_SHADOWMAPPING,
+			//SYSTEM_FIELD_LODBIAS,
 			// RB end
-			SYSTEM_FIELD_LODBIAS,
 			SYSTEM_FIELD_BRIGHTNESS,
 			SYSTEM_FIELD_VOLUME,
 			MAX_SYSTEM_FIELDS
diff --git a/neo/d3xp/menus/MenuScreen_Shell_SystemOptions.cpp b/neo/d3xp/menus/MenuScreen_Shell_SystemOptions.cpp
index 8000ca07..5ff9d1a6 100644
--- a/neo/d3xp/menus/MenuScreen_Shell_SystemOptions.cpp
+++ b/neo/d3xp/menus/MenuScreen_Shell_SystemOptions.cpp
@@ -118,15 +118,15 @@ void idMenuScreen_Shell_SystemOptions::Initialize( idMenuHandler* data )
 	control->SetupEvents( DEFAULT_REPEAT_TIME, options->GetChildren().Num() );
 	control->AddEventAction( WIDGET_EVENT_PRESS ).Set( WIDGET_ACTION_COMMAND, idMenuDataSource_SystemSettings::SYSTEM_FIELD_SHADOWMAPPING );
 	options->AddChild( control );
-	// RB end
 	
-	control = new( TAG_SWF ) idMenuWidget_ControlButton();
+	/*control = new( TAG_SWF ) idMenuWidget_ControlButton();
 	control->SetOptionType( OPTION_SLIDER_BAR );
 	control->SetLabel( "#str_swf_lodbias" );
 	control->SetDataSource( &systemData, idMenuDataSource_SystemSettings::SYSTEM_FIELD_LODBIAS );
 	control->SetupEvents( DEFAULT_REPEAT_TIME, options->GetChildren().Num() );
 	control->AddEventAction( WIDGET_EVENT_PRESS ).Set( WIDGET_ACTION_COMMAND, idMenuDataSource_SystemSettings::SYSTEM_FIELD_LODBIAS );
-	options->AddChild( control );
+	options->AddChild( control );*/
+	// RB end
 	
 	control = new( TAG_SWF ) idMenuWidget_ControlButton();
 	control->SetOptionType( OPTION_SLIDER_BAR );
@@ -519,15 +519,15 @@ void idMenuScreen_Shell_SystemOptions::idMenuDataSource_SystemSettings::AdjustFi
 			r_useShadowMapping.SetInteger( AdjustOption( r_useShadowMapping.GetInteger(), values, numValues, adjustAmount ) );
 			break;
 		}
-		// RB end
-		case SYSTEM_FIELD_LODBIAS:
+		/*case SYSTEM_FIELD_LODBIAS:
 		{
 			const float percent = LinearAdjust( r_lodBias.GetFloat(), -1.0f, 1.0f, 0.0f, 100.0f );
 			const float adjusted = percent + ( float )adjustAmount * 5.0f;
 			const float clamped = idMath::ClampFloat( 0.0f, 100.0f, adjusted );
 			r_lodBias.SetFloat( LinearAdjust( clamped, 0.0f, 100.0f, -1.0f, 1.0f ) );
 			break;
-		}
+		}*/
+		// RB end
 		case SYSTEM_FIELD_BRIGHTNESS:
 		{
 			const float percent = LinearAdjust( r_lightScale.GetFloat(), 2.0f, 4.0f, 0.0f, 100.0f );
@@ -615,9 +615,9 @@ idSWFScriptVar idMenuScreen_Shell_SystemOptions::idMenuDataSource_SystemSettings
 			{
 				return "#str_swf_disabled";
 			}
+			//case SYSTEM_FIELD_LODBIAS:
+			//	return LinearAdjust( r_lodBias.GetFloat(), -1.0f, 1.0f, 0.0f, 100.0f );
 			// RB end
-		case SYSTEM_FIELD_LODBIAS:
-			return LinearAdjust( r_lodBias.GetFloat(), -1.0f, 1.0f, 0.0f, 100.0f );
 		case SYSTEM_FIELD_BRIGHTNESS:
 			return LinearAdjust( r_lightScale.GetFloat(), 2.0f, 4.0f, 0.0f, 100.0f );
 		case SYSTEM_FIELD_VOLUME:
diff --git a/neo/renderer/OpenGL/gl_Image.cpp b/neo/renderer/OpenGL/gl_Image.cpp
index cf7b8fb5..568e2f7d 100644
--- a/neo/renderer/OpenGL/gl_Image.cpp
+++ b/neo/renderer/OpenGL/gl_Image.cpp
@@ -289,11 +289,16 @@ void idImage::SetTexParameters()
 			glTexParameterf( target, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1 );
 		}
 	}
+	
+	// RB: disabled use of unreliable extension that can make the game look worse
+	/*
 	if( glConfig.textureLODBiasAvailable && ( usage != TD_FONT ) )
 	{
 		// use a blurring LOD bias in combination with high anisotropy to fix our aliasing grate textures...
-		glTexParameterf( target, GL_TEXTURE_LOD_BIAS_EXT, r_lodBias.GetFloat() );
+		glTexParameterf( target, GL_TEXTURE_LOD_BIAS_EXT, 0.5 ); //r_lodBias.GetFloat() );
 	}
+	*/
+	// RB end
 	
 	// set the wrap/clamp modes
 	switch( repeat )
diff --git a/neo/renderer/RenderSystem_init.cpp b/neo/renderer/RenderSystem_init.cpp
index f056d0d1..1640d2a0 100644
--- a/neo/renderer/RenderSystem_init.cpp
+++ b/neo/renderer/RenderSystem_init.cpp
@@ -80,7 +80,9 @@ idCVar r_useSeamlessCubeMap( "r_useSeamlessCubeMap", "1", CVAR_RENDERER | CVAR_B
 idCVar r_useSRGB( "r_useSRGB", "0", CVAR_RENDERER | CVAR_INTEGER | CVAR_ARCHIVE, "1 = both texture and framebuffer, 2 = framebuffer only, 3 = texture only" );
 idCVar r_maxAnisotropicFiltering( "r_maxAnisotropicFiltering", "8", CVAR_RENDERER | CVAR_ARCHIVE | CVAR_INTEGER, "limit aniso filtering" );
 idCVar r_useTrilinearFiltering( "r_useTrilinearFiltering", "1", CVAR_RENDERER | CVAR_ARCHIVE | CVAR_BOOL, "Extra quality filtering" );
-idCVar r_lodBias( "r_lodBias", "0.5", CVAR_RENDERER | CVAR_ARCHIVE, "image lod bias" );
+// RB: not used anymore
+idCVar r_lodBias( "r_lodBias", "0.5", CVAR_RENDERER | CVAR_ARCHIVE, "UNUSED: image lod bias" );
+// RB end
 
 idCVar r_useStateCaching( "r_useStateCaching", "1", CVAR_RENDERER | CVAR_BOOL, "avoid redundant state changes in GL_*() calls" );