Max Payne Codes - 
  Cheat mode:
 When beginning a game, push 
 during game play to view the main menu. Now, hold
  during game play to view the main menu. Now, hold 
 +
 + 
 + click
 + click 
 + click
 + click 
 , and press
, and press 
 ,
, 
 (x2),
(x2),
  
 (x2),
(x2), 
 at main menu. A cheat option will appear. The
  cheat menu will have "All Weapons" and "Refill" (restores
  ammunition, painkillers, and bullet time) options. To use these cheats, press
 at main menu. A cheat option will appear. The
  cheat menu will have "All Weapons" and "Refill" (restores
  ammunition, painkillers, and bullet time) options. To use these cheats, press 
 during game play and select the desired options at the cheat menu. Now, press
  during game play and select the desired options at the cheat menu. Now, press 
 to resume game play. Remember: Other cheats in the cheat menu must be unlocked
  during game play.
  to resume game play. Remember: Other cheats in the cheat menu must be unlocked
  during game play.
  
Finish the game and unlock the rest of the difficulty
  levels to unlock the "All Weapons" cheat.
  
Level skip:
 While playing push 
 . Then, hold
. Then, hold 
 and press
 and press 
 (x4),
(x4),
  
 (x6),
(x6), 
 (x3),
(x3), 
 . W
. W