[CHEATS] Weapons, Armor, and Health Cheats!
During gameplay, and not while the game is paused, press Back to enter the objectives menu, and then enter the following codes extremely fast to unlock the corresponding cheats. If you entered to code correctly and quick enough, the cheat will take immediate effect.
All Weapons, Full Health, and Full Armor: Press Up, Up, Down, Down, Left, Right, Left, Right, B, A.
Refill Ammo: Press B, A, X, Y, Left, Right, Left.
Refill Health: Press B, A, B, A, Up, Up, Down, X.