Cheats:

 These cheats work in the version 1.1 of this kewl game, but not in
 the multiplayer mode.

 Press the following keys during the Dark Angael title screen (when
 you hear Azrael's voice say "Dark Angael"):

 [Shift][G]  God mode - unlimited ammo, unlimited health
 [Shift][I]  Full inventory
 [Shift][P]  Full set of superpowers