Cheat Codes
Debug Menu
At the Title screen press [+]+[1]+[2]. Then in debug menu, you can access characters/weapons/stages/god mode.
Hints
Unlock Characters/Difficulties
Nightmare (new difficulty) - Beat the game on Hard difficulty.
Plissken (new character) - Beat the game on Normal difficulty.
Tsugu-Min (new character) - Beat the game on Easy difficulty.
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