True Crime: New York City Codes -

Unlimited ammunition:
Hold + and press , , , (x2), at the CompStat/Map screen.

Unlimited endurance:
Hold + and press , , , , , at the CompStat/Map screen.

Double damage:
Hold + and press (x2), , (x3) at the CompStat/Map screen.

$1 million:
Hold + and press (x2), , , , at the CompStat/Map screen.

Super cop mode:
Hold + and press , , , , (x2) at the CompStat/Map screen.

Ultra easy mode:
Hold + and press , , (x2), , at the CompStat/Map screen.  

Double damage :
At the CompStat/Map screen, hold + and press X(x2), , X(x3). 

Fights open :
At the CompStat/Map screen, hold + and press (x2), (x2), to open the Fights.

Street Races open :
At the CompStat/Map screen, hold + and press (x2), X(x2), to open the Street Races.

Ghetto city :
At the CompStat/Map screen, hold + and press , , , (x3).

Zombie mode :
At the CompStat/Map screen, hold + and press , , , , , . Marcus will have no head, arms, or legs, with blood appearing from the stumps. Repeat the code to only have his torso appear.

All music tracks :
At the CompStat/Map screen, hold + and press , , , to unlock all music tracks.

Puma Shoes costume :
At the CompStat/Map screen, hold + and press , , , . Alternately, collect all ten pairs of Puma shoes hidden in the city, then go to the Puma Shoe store to get the Puma Shoes costume.

Redman Gone Wild mini-game:
Hold + and press , (x2), , , at the CompStat/Map screen. Alternately, get a 100% game completion. Go to the location given by Redman when he calls.