Enter cheats at the pause menu.
You must wait around ten minutes (real time) to enter the same cheat.

$5000
X,Y,X,X,Y,Left analog stick (click)

Full Ammo and All Guns
Y,Left,Y,Right,X,Right analog stick (click)

Full Health
Left, X, Right, Y, Right,Left analog stick (click)

Full ammo Current rating : Unrated
y, left, y, right, x, click RIGHT ANALOG STICK

Cheat Mode Current rating : Unrated
Up up down down left right left right white black x