Max Payne 2 Cheats

Special ending:
Finish the game in Dead On Arrival mode.

Completion bonuses:
After finishing the game under "Detective" difficulty you will unlock the Hard Boiled, New York Minute, and Dead Man Walking modes. After finishing the game under "Hard-Boiled" difficulty you will unlock Dead On Arrival mode.

Part 1, Chapter 6: Kung Fu poster:
Go through the fun house until you reach Mona's hideout. Once inside, look around Mona's gym area and should find a poster of the famous Max Payne Mod "Kung Fu" by Kenneth Yeung.

Theme song:
Play the piano with the dead body on top of it. Max will attempt to play his theme song.

Cheat mode:
Press Square(3), X, Left, Right, Left, Right, Square(3), X, Left, Right, Left, Right while playing the game. Then, press Start + Select to return to the main menu. Pick the NEW GAME option. All levels and game modes are now unlocked.
User Cheat by Milk_Dud

Restore health:
Save while playing the game, then return to the main menu. Load the game and you will have full health when you resume.