diff --git a/neo/framework/Session.cpp b/neo/framework/Session.cpp
index aadbec97..99150046 100644
--- a/neo/framework/Session.cpp
+++ b/neo/framework/Session.cpp
@@ -30,6 +30,9 @@ If you have questions concerning this license or the applicable additional terms
 #pragma hdrstop
 
 #include "Session_local.h"
+#ifdef PREY
+#include "../renderer/tr_local.h"
+#endif
 
 idCVar	idSessionLocal::com_showAngles( "com_showAngles", "0", CVAR_SYSTEM | CVAR_BOOL, "" );
 idCVar	idSessionLocal::com_minTics( "com_minTics", "1", CVAR_SYSTEM, "" );
@@ -1435,25 +1438,117 @@ void idSessionLocal::UnloadMap() {
 idSessionLocal::LoadLoadingGui
 ===============
 */
-void idSessionLocal::LoadLoadingGui( const char *mapName ) {
+void idSessionLocal::LoadLoadingGui(const char* mapName) {
 	// load / program a gui to stay up on the screen while loading
 	idStr stripped = mapName;
 	stripped.StripFileExtension();
 	stripped.StripPath();
 
-	char guiMap[ MAX_STRING_CHARS ];
-	strncpy( guiMap, va( "guis/map/%s.gui", stripped.c_str() ), MAX_STRING_CHARS );
-	// give the gamecode a chance to override
-#ifndef PREY
-	game->GetMapLoadingGUI( guiMap );
-#endif
+#ifdef PREY
+	guiLoading = uiManager->FindGui("guis/map/loading.gui", true, false, true);
 
-	if ( uiManager->CheckGui( guiMap ) ) {
-		guiLoading = uiManager->FindGui( guiMap, true, false, true );
-	} else {
-		guiLoading = uiManager->FindGui( "guis/map/loading.gui", true, false, true );
+	if (guiLoading == NULL) {
+		return;
 	}
-	guiLoading->SetStateFloat( "map_loading", 0.0f );
+
+	guiLoading->SetStateFloat("map_loading", 0.0f);
+
+	// Hex dump sets "demo" to localized #str_02087.
+	guiLoading->SetStateString("demo", common->GetLanguageDict()->GetString("#str_02087"));
+
+	idStr imageName;
+
+	if (stripped.Length() > 0) {
+		imageName = va("%s.tga", stripped.c_str());
+
+		if (fileSystem->ReadFile(imageName.c_str(), NULL, NULL) < 0) {
+			imageName.Clear();
+		}
+		else {
+			idImage* image = globalImages->ImageFromFile(imageName.c_str(), TF_DEFAULT, false, TR_REPEAT, TD_DEFAULT, CF_2D);
+			if (image != NULL) {
+				image->PurgeImage();
+			}
+		}
+	}
+
+	if (imageName.Length() <= 0) {
+		char screenshot[MAX_STRING_CHARS];
+		screenshot[0] = '\0';
+
+#if defined( PREY_HAS_FIND_MAP_SCREENSHOT )
+		fileSystem->FindMapScreenshot(stripped.c_str(), screenshot, sizeof(screenshot), false);
+
+		if (screenshot[0] != '\0') {
+			imageName = screenshot;
+		}
+#else
+		// Safe fallback if the Prey filesystem helper is not exposed.
+		imageName = va("guis/assets/loading/%s.tga", stripped.c_str());
+
+		if (fileSystem->ReadFile(imageName.c_str(), NULL, NULL) < 0) {
+			imageName = va("guis/map/%s.tga", stripped.c_str());
+
+			if (fileSystem->ReadFile(imageName.c_str(), NULL, NULL) < 0) {
+				imageName.Clear();
+			}
+		}
+#endif
+	}
+
+	if (imageName.Length() > 0) {
+		declManager->FindMaterial(imageName.c_str(), true);
+		guiLoading->SetStateString("image", imageName.c_str());
+	}
+	else {
+		guiLoading->SetStateString("image", "");
+	}
+
+	const idDecl* mapDecl = declManager->FindType(DECL_MAPDEF, mapName, false);
+
+	if (mapDecl != NULL) {
+		const idDeclEntityDef* mapDef = static_cast<const idDeclEntityDef*>(mapDecl);
+		const idDict& dict = mapDef->dict;
+
+		const char* friendlyName = dict.GetString("name");
+		const char* recPlayers = dict.GetString("recplayers");
+
+		guiLoading->SetStateString(
+			"friendlyname",
+			common->GetLanguageDict()->GetString(friendlyName)
+		);
+
+		guiLoading->SetStateString(
+			"recplayers",
+			common->GetLanguageDict()->GetString(recPlayers)
+		);
+	}
+	else {
+		guiLoading->SetStateString("friendlyname", "");
+		guiLoading->SetStateString("recplayers", "");
+	}
+
+#else
+
+	char guiMap[MAX_STRING_CHARS];
+	strncpy(guiMap, va("guis/map/%s.gui", stripped.c_str()), MAX_STRING_CHARS);
+	guiMap[MAX_STRING_CHARS - 1] = '\0';
+
+	// give the gamecode a chance to override
+	game->GetMapLoadingGUI(guiMap);
+
+	if (uiManager->CheckGui(guiMap)) {
+		guiLoading = uiManager->FindGui(guiMap, true, false, true);
+	}
+	else {
+		guiLoading = uiManager->FindGui("guis/map/loading.gui", true, false, true);
+	}
+
+	if (guiLoading != NULL) {
+		guiLoading->SetStateFloat("map_loading", 0.0f);
+	}
+
+#endif
 }
 
 /*
diff --git a/neo/renderer/Image_load.cpp b/neo/renderer/Image_load.cpp
index b91b34d9..5742d236 100644
--- a/neo/renderer/Image_load.cpp
+++ b/neo/renderer/Image_load.cpp
@@ -1267,7 +1267,6 @@ If fullLoad is false, only the small mip levels of the image will be loaded
 ================
 */
 bool idImage::CheckPrecompressedImage( bool fullLoad ) {
-	return false;
 
 #if 1 // ( _D3XP had disabled ) - Allow grabbing of DDS's from original Doom pak files
 	// if we are doing a copyFiles, make sure the original images are referenced
@@ -1285,6 +1284,10 @@ bool idImage::CheckPrecompressedImage( bool fullLoad ) {
 		return false;
 	}
 
+	if (!renderSystem->IsOpenGLRunning()) {
+		return false;
+	}
+
 	char filename[MAX_IMAGE_NAME];
 	ImageProgramStringToCompressedFileName( imgName, filename );
 
diff --git a/preybase/guis/assets/mainmenu/1.tga b/preybase/guis/assets/mainmenu/1.tga
new file mode 100644
index 00000000..d536178c
Binary files /dev/null and b/preybase/guis/assets/mainmenu/1.tga differ
diff --git a/preybase/guis/assets/mainmenu/2.tga b/preybase/guis/assets/mainmenu/2.tga
new file mode 100644
index 00000000..54afb74f
Binary files /dev/null and b/preybase/guis/assets/mainmenu/2.tga differ
diff --git a/preybase/guis/assets/mainmenu/3.tga b/preybase/guis/assets/mainmenu/3.tga
new file mode 100644
index 00000000..eafdd246
Binary files /dev/null and b/preybase/guis/assets/mainmenu/3.tga differ
diff --git a/preybase/guis/assets/mainmenu/4.tga b/preybase/guis/assets/mainmenu/4.tga
new file mode 100644
index 00000000..7e01fbb1
Binary files /dev/null and b/preybase/guis/assets/mainmenu/4.tga differ
diff --git a/preybase/guis/assets/mainmenu/5.tga b/preybase/guis/assets/mainmenu/5.tga
new file mode 100644
index 00000000..4f2233a4
Binary files /dev/null and b/preybase/guis/assets/mainmenu/5.tga differ
diff --git a/preybase/guis/assets/mainmenu/bg.tga b/preybase/guis/assets/mainmenu/bg.tga
new file mode 100644
index 00000000..92eb1ee1
Binary files /dev/null and b/preybase/guis/assets/mainmenu/bg.tga differ
diff --git a/preybase/guis/mainmenu.gui b/preybase/guis/mainmenu.gui
new file mode 100644
index 00000000..bc469786
--- /dev/null
+++ b/preybase/guis/mainmenu.gui
@@ -0,0 +1,441 @@
+windowDef Desktop {
+	rect		0, 0, 1280, 720
+	backcolor 	0, 0, 0, 1
+	float Button 	"0"
+	float Menugui	"1"
+
+	onESC {
+		set "cmd" "close" ;
+	}
+
+
+	windowDef Background {
+		rect		0, 0, 1280, 720
+		background	"guis/assets/mainmenu/bg"
+		matcolor	1 ,1, 1, 1 
+		visible		1
+	}
+
+	windowDef Doom {
+		rect		162, 0, 972, 426
+		background	"guis/assets/schema/doom"
+		matcolor	1 ,1, 1, 1 
+		visible		1
+	}
+
+	windowDef DoomGlow {
+		rect		162, 0, 972, 426
+		background	"doomglow"
+		matcolor	1 ,1, 1, 1 
+		visible		1
+	}
+
+	windowDef Button1o {
+		rect		380, 405, 512, 48
+		background	"menu/button1"
+		matcolor	1 ,1, 1, 1
+		visible		0
+	}
+
+	windowDef Button2o {
+		rect		380, 465, 512, 48
+		background	"menu/button2"
+		matcolor	1 ,1, 1, 1
+		visible		0
+	}
+
+	windowDef Button3o {
+		rect		500, 525, 278, 48
+		background	"menu/button3"
+		matcolor	1 ,1, 1, 1
+		visible		0
+	}
+
+	windowDef Button4o {
+		rect		506, 585, 256, 48
+		background	"menu/button4"
+		matcolor	1 ,1, 1, 1
+		visible		0
+	}
+
+	windowDef Button5o {
+		rect		506, 645, 256, 48
+		background	"menu/button5"
+		matcolor	1 ,1, 1, 1
+		visible		0
+	}
+
+	windowDef PopUp {
+		rect		354, 660, 572, 60
+		background	"guis/assets/mainmenu/callout"
+		matcolor	1 ,1, 1, 0
+		visible		1
+	}
+
+	windowDef Button1 {
+		rect		380, 405, 512, 48
+		background	"guis/assets/mainmenu/1"
+		matcolor	1 ,1, 1, 0.9
+		visible		1
+
+		onMouseEnter {
+			set	"Button1o::visible" "1" ; 
+		} 
+		onMouseExit {
+			set	"Button1o::visible" "0" ; 
+		} 
+		onAction {
+			set	"cmd" "play guisounds_click" ; 
+			set "Desktop::Button" "1" ;
+			resetTime "Anim" "0" ;
+			resetTime "Click1" "0" ;
+			set	"Button1o::visible" "0" ; 
+				transition "Button2::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button3::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button4::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button5::matcolor" "1 1 1 0.9" "1 1 1 0" "200" ;
+		} 
+	}
+
+	windowDef Button2 {
+		rect		380, 465, 512, 48
+		background	"guis/assets/mainmenu/2"
+		matcolor	1 ,1, 1, 0.4
+		visible		1
+/*
+		onMouseEnter {
+			set	"Button2o::visible" "1" ; 
+		} 
+		onMouseExit {
+			set	"Button2o::visible" "0" ; 
+		} 
+		onAction {
+			set "Desktop::Button" "2" ;
+			resetTime "Anim" "0" ;
+			set	"Button2o::visible" "0" ; 
+				transition "Button1::matcolor" "1 1 1 0.9" "1 1 1 0" "200" ;
+				transition "Button3::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button4::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button5::matcolor" "1 1 1 0.9" "1 1 1 0" "200" ;
+		}
+*/
+	}
+
+	windowDef Button3 {
+		rect		500, 525, 278, 48
+		background	"guis/assets/mainmenu/3"
+		matcolor	1 ,1, 1, 0.4
+		visible		1
+	}
+
+	windowDef Button4 {
+		rect		506, 585, 256, 48
+		background	"guis/assets/mainmenu/4"
+		matcolor	1 ,1, 1, 0.4
+		visible		1
+	}
+
+	windowDef Button5 {
+		rect		506, 645, 256, 48
+		background	"guis/assets/mainmenu/5"
+		matcolor	1 ,1, 1, 0.9 
+		visible		1
+
+		onMouseEnter {
+			set	"Button5o::visible" "1" ; 
+		} 
+		onMouseExit {
+			set	"Button5o::visible" "0" ; 
+		} 
+		onAction {
+			set	"cmd" "play guisounds_click" ; 
+			set "Desktop::Button" "5" ;
+			resetTime "Anim" "0" ;
+			resetTime "Click5" "0" ;
+			set	"Button5o::visible" "0" ; 
+				transition "Button1::matcolor" "1 1 1 0.9" "1 1 1 0" "200" ;
+				transition "Button2::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button3::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+				transition "Button4::matcolor" "1 1 1 0.4" "1 1 1 0" "200" ;
+		} 
+	}
+
+	windowDef Text1a {
+		rect		354, 426, -572, 60
+		text		"New Game"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+		noevents	1
+
+		onMouseEnter {
+			set	"forecolor" "1 0.4 0 1" ;
+		} 
+		onMouseExit {
+			set	"forecolor" "1 0.1 0.1 1" ;
+		} 
+		onAction {
+			set	"cmd" "play guisounds_click" ; 
+			set 	"cmd" "startgame" ;
+			resetTime "Main1" "0" ;
+		} 
+	}
+	windowDef Text1b {
+		rect		354, 471, -572, 60
+		text		"Load Game"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+	}
+	windowDef Text1c {
+		rect		354, 516, -572, 60
+		text		"Cinematics"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+	}
+	windowDef Text1d {
+		rect		354, 561, -572, 60
+		text		"Demos"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+	}
+	windowDef Text1e {
+		rect		354, 606, -572, 60
+		text		"Main Menu"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+		noevents	1
+
+		onMouseEnter {
+			set	"forecolor" "1 0.4 0 1" ;
+		} 
+		onMouseExit {
+			set	"forecolor" "1 0.1 0.1 1" ;
+		} 
+		onAction {
+			set	"cmd" "play guisounds_close" ; 
+			resetTime "Main1" "0" ;
+		} 
+	}
+
+	windowDef Text5a {
+		rect		352, 450, -572, 120
+		text		"Are you sure you\nwant to exit?"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+	}
+
+	windowDef Text5b {
+		rect		420, 577.5, -200, 120
+		text		"Yes"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+		noevents	1
+
+		onMouseEnter {
+			set	"forecolor" "1 0.4 0 1" ;
+		} 
+		onMouseExit {
+			set	"forecolor" "1 0.1 0.1 1" ;
+		} 
+		onAction {
+			set	"cmd" "play guisounds_click" ; 
+			set 	"cmd" "quit" ;
+		} 
+	}
+
+	windowDef Text5c {
+		rect		660, 577.5, -200, 120
+		text		"No"
+		font		"fonts/chain"
+		textscale	0.75
+		textalign	1
+		forecolor	1, 0.1, 0.1, 0
+		noevents	1
+
+		onMouseEnter {
+			set	"forecolor" "1 0.4 0 1" ;
+		} 
+		onMouseExit {
+			set	"forecolor" "1 0.1 0.1 1" ;
+		} 
+		onAction {
+			set	"cmd" "play guisounds_close" ; 
+			resetTime "Main5" "0" ;
+		} 
+	}
+
+//////////////////////////
+//Animation
+/////////////////////////
+
+	windowDef Anim {
+		notime	1
+
+		onTime 0 {
+			set "Button1::noevents" "1" ;
+			set "Button2::noevents" "1" ;
+			set "Button3::noevents" "1" ;
+			set "Button4::noevents" "1" ;
+			set "Button5::noevents" "1" ;
+			transition "Button1::rect" "380 405 512 48" "380 675 512 48" "200" ;
+			transition "Button2::rect" "380 465 512 48" "380 675 512 48" "200" ;
+			transition "Button3::rect" "500 525 278 48" "500 675 278 48" "200" ;
+			transition "Button4::rect" "506 585 256 48" "506 675 256 48" "200" ;
+			transition "Button5::rect" "506 645 256 48" "506 675 256 48" "200" ;
+		}
+		onTime 0 {
+			transition "PopUp::matcolor" "1 1 1 0" "1 1 1 1" "100" ;
+			transition "PopUp::rect" "354 660 572 60" "354 406.5 572 313.5" "200" ;
+		}
+	}
+
+	windowDef Click1 {
+		notime	1
+
+		onTime 200 {
+			set "Text1a::rect" "354 426 572 60" ;
+			set "Text1a::noevents" "0" ;
+			transition "Text1a::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 1" "50" ;
+		}
+		onTime 250 {
+			set "Text1b::rect" "354 471 572 60" ;
+			transition "Text1b::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 0.5" "50" ;
+		}
+		onTime 300 {
+			set "Text1c::rect" "354 516 572 60" ;
+			transition "Text1c::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 0.5" "50" ;
+		}
+		onTime 350 {
+			set "Text1d::rect" "354 561 572 60" ;
+			transition "Text1d::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 0.5" "50" ;
+		}
+		onTime 400 {
+			set "Text1e::rect" "354 606 572 60" ;
+			set "Text1e::noevents" "0" ;
+			transition "Text1e::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 1" "50" ;
+		}
+	}
+
+	windowDef Main1 {
+		notime	1
+
+		onTime 0 {
+			set "Text1a::noevents" "1" ;
+			set "Text1e::noevents" "1" ;
+			transition "Text1a::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text1b::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text1c::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text1d::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text1e::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+		}
+		onTime 0 {
+			transition "Button1::rect" "380 675 512 48" "380 405 512 48" "300" ;
+			transition "Button2::rect" "380 675 512 48" "380 465 512 48" "300" ;
+			transition "Button3::rect" "500 675 278 48" "500 525 278 48" "300" ;
+			transition "Button4::rect" "506 675 256 48" "506 585 256 48" "300" ;
+			transition "Button5::rect" "506 675 256 48" "506 645 256 48" "300" ;
+			transition "PopUp::matcolor" "1 1 1 1" "1 1 1 0" "100" ;
+			transition "PopUp::rect" "354 406.5 572 313.5" "354 660 572 60" "200" ;
+		}
+		onTime 50 {
+			set "Text1a::rect" "354 426 -572 60" ;
+			set "Text1b::rect" "354 471 -572 60" ;
+			set "Text1c::rect" "354 516 -572 60" ;
+			set "Text1d::rect" "354 561 -572 60" ;
+			set "Text1e::rect" "354 606 -572 60" ;
+			transition "Button2::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 125 {
+			transition "Button3::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 200 {
+			transition "Button4::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 275 {
+			transition "Button5::matcolor" "1 1 1 0" "1 1 1 0.9" "100" ;
+		}
+		onTime 300 {
+			set "Button1::noevents" "0" ;
+			set "Button2::noevents" "0" ;
+			set "Button3::noevents" "0" ;
+			set "Button4::noevents" "0" ;
+			set "Button5::noevents" "0" ;
+		}
+	}
+
+	windowDef Click5 {
+		notime	1
+
+		onTime 200 {
+			set "Text5a::rect" "352 450 572 120" ;
+			transition "Text5a::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 1" "50" ;
+		}
+		onTime 250 {
+			set "Text5b::rect" "420 577.5 200 120" ;
+			set "Text5b::noevents" "0" ;
+			transition "Text5b::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 1" "50" ;
+		}
+		onTime 300 {
+			set "Text5c::rect" "660 577.5 200 120" ;
+			set "Text5c::noevents" "0" ;
+			transition "Text5c::forecolor" "1 0.1 0.1 0" "1 0.1 0.1 1" "50" ;
+		}
+	}
+
+	windowDef Main5 {
+		notime	1
+
+		onTime 0 {
+			set "Text5b::noevents" "1" ;
+			set "Text5c::noevents" "1" ;
+			transition "Text5a::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text5b::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+			transition "Text5c::forecolor" "1 0.1 0.1 1" "1 0.1 0.1 0" "50" ;
+		}
+		onTime 0 {
+			transition "Button1::rect" "380 675 512 48" "380 405 512 48" "300" ;
+			transition "Button2::rect" "380 675 512 48" "380 465 512 48" "300" ;
+			transition "Button3::rect" "500 675 278 48" "500 525 278 48" "300" ;
+			transition "Button4::rect" "506 675 256 48" "506 585 256 48" "300" ;
+			transition "Button5::rect" "506 675 256 48" "506 645 256 48" "300" ;
+			transition "PopUp::matcolor" "1 1 1 1" "1 1 1 0" "100" ;
+			transition "PopUp::rect" "354 406.5 572 313.5" "354 660 572 60" "200" ;
+		}
+		onTime 50 {
+			set "Text5a::rect" "352 450 -572 120" ;
+			set "Text5b::rect" "420 577.5 -200 120" ;
+			set "Text5c::rect" "660 577.5 -200 120" ;
+			transition "Button1::matcolor" "1 1 1 0" "1 1 1 0.9" "100" ;
+		}
+		onTime 125 {
+			transition "Button2::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 200 {
+			transition "Button3::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 275 {
+			transition "Button4::matcolor" "1 1 1 0" "1 1 1 0.4" "100" ;
+		}
+		onTime 300 {
+			set "Button1::noevents" "0" ;
+			set "Button2::noevents" "0" ;
+			set "Button3::noevents" "0" ;
+			set "Button4::noevents" "0" ;
+			set "Button5::noevents" "0" ;
+		}
+	}
+
+}
\ No newline at end of file