diff -Naur ./rockbox.unmod/apps/plugins/invadrox.c ./rockbox.mod/apps/plugins/invadrox.c
--- ./rockbox.unmod/apps/plugins/invadrox.c	2011-01-23 19:41:32.000000000 -0600
+++ ./rockbox.mod/apps/plugins/invadrox.c	2011-01-23 19:24:29.000000000 -0600
@@ -286,8 +286,7 @@
 
 
 /* m:robe 500 defines */
-#if ((LCD_WIDTH == 640) && (LCD_HEIGHT == 480)) || \
-    ((LCD_WIDTH == 480) && (LCD_HEIGHT == 640))
+#if LCD_WIDTH >= 640 
 
 /* Original arcade game size 224x240, 1bpp with
  * red overlay at top and green overlay at bottom.
@@ -308,7 +307,7 @@
 #define MAX_Y 18
 
 /* iPod Video defines */
-#elif (LCD_WIDTH == 320) && (LCD_HEIGHT == 240)
+#elif (LCD_WIDTH >= 320) && (LCD_WIDTH < 640)
 
 /* Original arcade game size 224x240, 1bpp with
  * red overlay at top and green overlay at bottom.
@@ -498,7 +497,7 @@
 #define MAX_Y 18
 
 
-#elif (LCD_WIDTH == 240) && ((LCD_HEIGHT == 320) || (LCD_HEIGHT == 400))
+#elif (LCD_WIDTH >= 240) && (LCD_WIDTH < 320) && ((LCD_HEIGHT >= 320) || (LCD_HEIGHT == 400))
 
 /* Gigabeat: 240x320x16
  * ======================