diff --git a/assets.h b/assets.h
index 2f4fb76..5ea74d5 100644
--- a/assets.h
+++ b/assets.h
@@ -332,6 +332,30 @@ static const char *LCR_internalDataFile =
   ":<o1y:fg11"
   // finish:
   ":!vdt:!vdA"
+
+  // TINY MAP 4:
+
+  "#MLCtiny4;4321 1"
+  ":*x1q:+u1F:!x1o"
+  // platform:
+  ":=j0o:fg1j"
+  ":xj0o:fc18"
+  ":xj0E:f613"
+  ":=p0w2:f71b"
+  ":Aj0DI"
+  ":Ap0G2I"
+  ":Aj0wJ"
+  // walls:
+  ":^m1A1I:fd11"
+  ":=m1w:f911"
+  ":^v1oJ:f118"
+  ":Av1wL"
+  ":=t0A:f234"
+  ":^z1oL:f11j"
+  ":^z0oL-:f11j"
+  // fans:
+  ":Vm1xI:Vm1z"
+  ":-w0q1:-y0q1"
 ;
 
 #define LCR_IMAGE_SIZE 64 ///< one-dimension resolution of bitmap image
diff --git a/frontend_sdl.c b/frontend_sdl.c
index c6c9a7a..c559395 100644
--- a/frontend_sdl.c
+++ b/frontend_sdl.c
@@ -118,26 +118,27 @@ void LCR_log(const char *str)
 void printHelp(void)
 {
   printf(
-    "Licar, 3D racing game, version " LCR_VERSION ", arguments:\n"
+    "Licar, 3D racing game, v. " LCR_VERSION ", SDL frontend, args:\n"
     "  -h   print help and quit\n"
+    "  -wN  window (N = 1) or fullscreen (N = 0)\n"
     LCR_ARG_HELP_STR);
 }
 
 int main(int argc, char *argv[])
 {
-  uint8_t running = 1;
+  uint8_t running = 1, fullscreen = 1;
 
   for (int i = 0; i < argc; ++i)
     if (argv[i][0] == '-')
       switch (argv[i][1])
       {
         case 'h':
-          if (argv[i][2] == 0)
-          {
-            printHelp();
-            return 0;
-          }          
+          printHelp();
+          return 0;
+          break;
 
+        case 'w':
+          fullscreen = argv[i][2] == '1';
           break;
 
         default: break;
@@ -184,6 +185,9 @@ int main(int argc, char *argv[])
     return 1;
   }
 
+  if (fullscreen)
+    SDL_SetWindowFullscreen(window,SDL_WINDOW_FULLSCREEN_DESKTOP);
+
   renderer = SDL_CreateRenderer(window,-1,0);
 
   if (!renderer)