diff -ru nogravity.orig/src/lithium.c nogravity/src/lithium.c
--- src/lithium.c	2006-02-15 02:04:30.000000000 +0300
+++ src/lithium.c	2006-10-01 11:56:11.000000000 +0400
@@ -235,7 +235,10 @@
 #if defined __BEOS__ || defined _DEBUG
 	RLX.Video.Config|=RLXVIDEO_Windowed;
 #else
- 	RLX.Video.Config&=~RLXVIDEO_Windowed;
+	if (g_SGSettings.Fullscreen == 1)
+	 	RLX.Video.Config&=~RLXVIDEO_Windowed;
+	 else
+	 	RLX.Video.Config|=RLXVIDEO_Windowed;
 #endif
 
 #ifdef _DEBUG
diff -ru nogravity.orig/src/lt_info.c nogravity/src/lt_info.c
--- src/lt_info.c	2006-04-15 16:11:43.000000000 +0400
+++ src/lt_info.c	2006-10-01 11:45:19.000000000 +0400
@@ -157,6 +157,7 @@
         fprintf(in, "Zbuffer=%s\n", YesNo[g_SGSettings.ZBuffer]);
 		fprintf(in, "ResolutionX=%d\n", (int)g_SGSettings.ResolutionX);
 		fprintf(in, "ResolutionY=%d\n", (int)g_SGSettings.ResolutionY);
+	fprintf(in, "Fullscreen=%d\n", (int)g_SGSettings.Fullscreen);
         fprintf(in, "ColorDepth=%d\n", g_SGSettings.ColorDepth);
         fprintf(in, "FrameSkip=%d\n", g_SGSettings.FrameSkip);
 		fprintf(in, "Multisampling=%d\n", g_SGSettings.Multisampling);
@@ -229,6 +230,7 @@
 			g_SGSettings.ColorDepth = (u_int8_t)GetCF_long("ColorDepth", &iniFile);
 
             g_SGSettings.Dithering = (u_int8_t)GetCF_bool("Dithering", &iniFile);
+	    g_SGSettings.Fullscreen = (u_int8_t)GetCF_bool("Fullscreen", &iniFile);
             g_SGSettings.TexFiltering = (u_int8_t)GetCF_bool("TexFiltering", &iniFile);
 			g_SGSettings.TexPOT = (u_int8_t)GetCF_bool("TexPOT", &iniFile);
             g_SGSettings.VisualsFx = (u_int8_t)GetCF_long("VisualsFx", &iniFile);
@@ -323,6 +325,7 @@
         g_SGSettings.Sky = 1;
         g_SGSettings.Dithering = 1;
         g_SGSettings.LensFX = 1;
+	g_SGSettings.Fullscreen = 1;
 		g_SGSettings.ResolutionX = 640;
 		g_SGSettings.ResolutionY = 480;
 		g_SGSettings.ColorDepth = 32;
diff -ru nogravity.orig/src/_nginfo.h nogravity/src/_nginfo.h
--- src/_nginfo.h	2006-02-15 02:04:30.000000000 +0300
+++ src/_nginfo.h	2006-10-01 11:40:12.000000000 +0400
@@ -42,6 +42,7 @@
     int			ResolutionX, ResolutionY, ColorDepth;
     int			ComNumber, ComTime, ComFTime;
     u_int8_t	VolDIG, VolFX, VolMusic;
+    u_int8_t Fullscreen;
     u_int8_t 	VisualsFx;
 	u_int8_t 	Interlaced;
     u_int8_t 	ZBuffer;