This cheat is pretty cool, it lets you use any model in the game plus lets you play as nekkid Mona w00t!
HOW TO GET MONA NAKED: A TUTORIAL BY DEFLUX/BobbyM
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1) Make a shortcut to the game's exe file.
2) Change the Target field to this:
"C:\Program Files\Rockstar Games\Max Payne 2\MaxPayne2.exe" -developerkeys -screenshot
3) Start a new game or load one you have saved.
4) Use PAGE UP/PAGE DOWN to scroll through models. You will get Nude Mona
quicker if you use PAGE UP.
5) Pressing F3 will allow you to move the camera around freely. Press F3 again
to set the camera and regain control of your character.
6) Pressing F10 will make a screen shot in your Max Payne 2 directory.
