diff -u -r tworld-1.2.1/gen.h tworld-1.2.1-godmode/gen.h
--- tworld-1.2.1/gen.h	2004-10-10 16:34:20.000000000 +0100
+++ tworld-1.2.1-godmode/gen.h	2005-12-30 14:22:20.000000000 +0000
@@ -40,6 +40,11 @@
 #define	CXGRID	32
 #define	CYGRID	32
 
+/* The dimensions of the visible area of the map (in tiles).
+ */
+extern int NXTILES;
+extern int NYTILES;
+
 /* The four directions plus one non-direction.
  */
 #define	NIL	0
diff -u -r tworld-1.2.1/oshw-sdl/sdlout.c tworld-1.2.1-godmode/oshw-sdl/sdlout.c
--- tworld-1.2.1/oshw-sdl/sdlout.c	2004-10-21 08:42:24.000000000 +0100
+++ tworld-1.2.1-godmode/oshw-sdl/sdlout.c	2005-12-30 14:20:24.000000000 +0000
@@ -23,11 +23,6 @@
 #define	PROMPTICONW	16
 #define	PROMPTICONH	10
 
-/* The dimensions of the visible area of the map (in tiles).
- */
-#define	NXTILES		9
-#define	NYTILES		9
-
 /* Erase a rectangle (useful for when a surface is locked).
  */
 #define	fillrect(r)		(puttext((r), NULL, 0, PT_MULTILINE))
diff -u -r tworld-1.2.1/tworld.c tworld-1.2.1-godmode/tworld.c
--- tworld-1.2.1/tworld.c	2004-10-21 20:25:20.000000000 +0100
+++ tworld-1.2.1-godmode/tworld.c	2005-12-30 14:42:42.000000000 +0000
@@ -58,6 +58,11 @@
     tablespec	table;		/* table for displaying the array */
 } seriesdata;
 
+/* The dimensions of the visible area of the map (in tiles).
+ */
+int NXTILES = 9;
+int NYTILES = 9;
+
 /* TRUE suppresses sound and the console bell.
  */
 static int	silence = FALSE;
@@ -1207,7 +1212,7 @@
     soundbufsize = 0;
     volumelevel = -1;
 
-    initoptions(&opts, argc - 1, argv + 1, "aD:dFfHhL:lm:n:pqR:rS:stVv");
+    initoptions(&opts, argc - 1, argv + 1, "aD:dFfHhL:lm:n:GpqR:rS:stVv");
     while ((ch = readoption(&opts)) >= 0) {
 	switch (ch) {
 	  case 0:
@@ -1238,6 +1243,7 @@
 	  case 't':	start->listtimes = TRUE;			break;
 	  case 'm':	mudsucking = atoi(opts.val);			break;
 	  case 'n':	volumelevel = atoi(opts.val);			break;
+	  case 'G': NXTILES = CXGRID; NYTILES = CYGRID;		break;
 	  case 'h':	printtable(stdout, yowzitch); 	   exit(EXIT_SUCCESS);
 	  case 'v':	puts(VERSION);		 	   exit(EXIT_SUCCESS);
 	  case 'V':	printtable(stdout, vourzhon); 	   exit(EXIT_SUCCESS);