diff --git a/games/lemm/keyboard.s b/games/lemm/keyboard.s
index 61404c9d..3bc9a824 100644
--- a/games/lemm/keyboard.s
+++ b/games/lemm/keyboard.s
@@ -187,11 +187,28 @@ done_down_pressed:
 
 check_escape:
 	cmp	#27
-	bne	check_return
+	bne	check_cheat
 escape_pressed:
 	lda	#LEVEL_FAIL
 	sta	LEVEL_OVER
 
+	jmp	done_keypress
+
+check_cheat:
+	cmp	#'!'
+	bne	check_return
+cheat_pressed:
+
+	lda	#20
+	ldx	#7
+cheat_loop:
+	sta	CLIMBER_COUNT,X
+	dex
+	bpl	cheat_loop
+
+	jsr	update_remaining_all
+
+
 	jmp	done_keypress
 
 check_return: