diff -up keen/src/main.c~ keen/src/main.c
--- keen/src/main.c~	2007-10-25 21:47:38.000000000 +0200
+++ keen/src/main.c	2007-10-25 21:47:38.000000000 +0200
@@ -126,6 +126,48 @@ void SetDefaultOptions(void)
   setoption(OPT_CHEATS, "Enable all cheats", 0);
 }
 
+void LoadConfig(void)
+{
+  FILE *f;
+  char *colon, buf[512];
+  int i;
+  
+  f = fopen("clonekeen.cfg", "r");
+  if (!f)
+    return;
+    
+  /* skip leading comment line */
+  fgets(buf, sizeof(buf), f);
+  
+  for (i = 1; i < NUM_OPTIONS; i++)
+  {
+    if (!fgets(buf, sizeof(buf), f))
+      break;
+    colon = strrchr(buf, ':');
+    if (colon)
+      options[i].value = strtol(colon + 1, NULL, 10); 
+  }
+
+  fclose(f);
+}
+
+void SaveConfig(void)
+{
+  int i;
+  FILE *f = fopen("clonekeen.cfg", "w");
+
+  if (!f)
+    return;
+
+  fprintf(f,
+    "# Do not change the order of the settings below, nor remove this line!\n");
+  
+  for (i = 1; i < NUM_OPTIONS; i++)
+    fprintf(f, "%s: %d\n", options[i].name, (int)options[i].value);
+
+  fclose(f);
+}
+
 int main(int argc, char **argv)
 {
   int i,c;
@@ -159,9 +201,10 @@ int main(int argc, char **argv)
 
   // set default config-menu options
   SetDefaultOptions();
-  setoption(OPT_FULLSCREEN, "SDL Fullscreen Mode", 0);
-  setoption(OPT_ZOOM, "Image Zoom", 1);
+  setoption(OPT_FULLSCREEN, "SDL Fullscreen Mode", 1);
+  setoption(OPT_ZOOM, "Image Zoom", 2);
   setoption(OPT_FRAMESKIP, "Frameskip", 2);
+  LoadConfig();
 
   /* process command line options */
   VidDrv_printf("Processing command-line options.\n");
@@ -414,6 +457,7 @@ directtomap: ;
 
 ok: ;
   cleanup();
+  SaveConfig();
   banner();
   VidDrv_printf("\nThanks for playing!\n\n");
   if (crashflag)