Ashes to Ashes 

Tested on the Demo, might work on the full version.  Type these while 
playing:
Code        Effect 
alllevels   Show All Level Menus 
nolevels   Hide Level Menu Items 
destroy   Destroy On/Off 
fps   Show the Frame Rate 
credits   Show Credits 
next   Next Level 
noammo   Remove All Ammo 
godmode   God Mode 
pause   Pause Players