Invincibility:
Press L + Down, R + C-Right, R + C-Up, L + Right, L + C-Down, R + C-Up, L + Right, R + Down, L + Left, L + R + C-Right.
All guns:
Press L + R + Down, L + C-Left, L + C-Right, L + R + C-Left, L + Down, L + C-Down, R + C-Left, L + R + C-Right, R + Up, L + C-Left.
Maximum ammunition:
Press L + R + C-Right, R + Up, R + Down, R + Down, L + R + C-Right, L + R + Left, R + Down, R + Up, L + R + C-Right, R + Left.
Line mode:
Press R + C-Down, L + R + Down, L + Right, R + C-Up, L + R + C-Right, R + Up, L + Down, L + Right, R + C-Left, R + C-Up.
Invisibility:
Press R + C-Left, L + R + C-Up, L + R + Left, L + R + Up, R + Up, L + C-Left, R + C-Up, L + C-Down, L + R + Left, R + Right.
Invisibility in MP:
Press L + C-Up, L + R + C-Left, R + Up, L + C-Right, R + C-Left, L + Right, L + R + C-Left, L + C-Right, L + Up, L + R + C-Down.
Enter these codes at the mission select screen.
Unlock Facility level:
Press L + R + C-Up, R + C-Left, L + Left, R + C-Up, L + Left, R + C-Down, L + C-Right, R + Right, L + R + C-Up, then hold L + Right.
Unlock Runway level:
Press L + R + Left, R + Left, L + C-Up, L + Left, R + C-Up, R + C-Down, R +C-Right, R + Right, L + Down, then hold R + C-Left.
Unlock Surface I level:
Press R + C-Left, L + R + C-Up, L + Left, R + Up, R + Left, L + Up, R + C-Down, L + Right, L +C-Right, then hold L + R + Down.
Unlock Bunker I level:
Press L + C-Down, R + Right, L + C-Right, R + C-Left, L + C-Down, L + R + Left, L + C-Right, L + R + Up, R + C-Right, then hold L + Up.
Unlock Silo level:
Press L + Up, R + C-Down, L + Left, R + Down, L + C-Left, L + R + C-Right, L + C-Up, R + Right, R + Right, then hold R + C-Right.
Unlock Frigate level:
Press R + C-Up, L + Down, R + C-Right, L + Left, L + R + Up, L + R + C-Down, R + C-Right, R + Up, L + R + C-Down, then hold R + Up.
Unlock Surface 2 level:
Press L + C-Down, L + R + C-Right, R + C-Right, R + C-Up, R + C-Left, L + Right, L + R + C-Up, L + C-Up, L + R + Down, then hold L + C-Right.
Unlock Bunker 2 level:
Press L + Down, R + Down, L + R + C-Up, L + Left, L + R + Right, L + C-Left, R + Right, L + C-Up, L + Left, then hold L + C-Down.
Unlock Statue level:
Press L + R + C-Down, L + R + C-Down, L + Right, L + R + Left, R + Left, R + C-Right, L + R + Left, R + C-Up, R + C-Down, then hold R + Right.
Unlock Archives level:
Press R + Left, L + R + Up, L + R + C-Down, R + Left, L + R + C-Right, L + Left, L + R + Right, L + R + C-Down, L + Up, then hold R + C-Down.
Unlock Streets level:
Press L + R + C-Left, L + C-Right, L + Up, L + R + C-Down, R + C-Right, R + C-Down, R + Left, R + C-Down, R + C-Up, then hold L + Down.
Unlock Depot level:
Press L + Down, L + Down, R + C-Down, L + C-Right, L + R + Right, R + C-Left, L + Down, L + C-Left, L + C-Right, then hold L + Up.
Unlock Train level:
Press R + Left, R + C-Down, R + C-Right, L + R + Left, L + Right, R + C-Down, L + Left, L + R + C-Left, L + Up, then hold L + C-Up.
Unlock Jungle level:
Press R + C-Down, R + Left, L + R + Up, R + Right, R + Down, R + Down, R + Up, R + C-Left, R + C-Up, then hold L + R + Left.
Unlock Control Center level:
Press L + C-Down, R + Down, L + Right, R + C-Right, R + C-Down, R + Left, R + Left, R + C-Up, R + Left, then hold L + R + C-Up.
Unlock Caverns level:
Press L + Down, R + C-Down, L + R + Up, L + Right, R + C-Up, R + C-Left, R + Up, L + C-Left, L + Up, then hold R + C-Left.
Unlock Cradle level:
Press L + R + C-Up, L + Left, R + Down, L + Down, L + C-Up, L + Down, R + Right, R + C-Up, L + C-Left, then hold R + Right.
Unlock Aztec level:
Press L + R + Up, L + R + C Right, L + Down, R + Right, R + Up, L + Down, L + Left, L + C Right, L + R + C Right, L + Left. You must complete the Cradle level under at least the Agent difficulty first.
Enter these codes at the cheat menu.
Invincibility:
Press R + Left, L + Down, Left, Up, Down, R + C-Left, L + C-Left, L + R + Left, L + R + Right, L + C-Left.
All Guns:
Press Down, Left, C-Up, Right, L +Down, L +Left, L +Up, C-Left, Left, then hold C-Down.
Paintball:
Press L + Up, C-Up, R + Right, L + R + C-Left, L + Up, R + C-Down, L + C-Down, L + R + C-Down, L + R + Up, L + C-Down.
DK Mode:
Press L + R + Up, C-Right, R + Left, R + Up, Up, R + Right, Up, L + R + C-Down, L + R + Down, then hold L + R + C-Left.
2X Grenade Launcher:
Press R + Down, R + Up, Right, L + R + C-Down, L + Right, R + Left, Left, Down, Up, then hold R + C-Down.
2X Rocket Launcher:
Press R + Right, L + Up, Down, Down, R + C-Down, L + Left, L + C-Left, R + Up, R + Down, then hold R + C-Left.
Turbo Mode:
Press L + Down, L + C-Down, L + R + Up, R + C-Down, Left, R + Down, L + C-Down, Up, R + Down, then hold L + Right.
No multi-player radar:
Press R + Up, C-Down, C-Left, C-Up, L + Down, R + Up, C-Left, Right, R + Left, then hold R + Right.
Tiny Bond:
Press L + R + Down, R + Down, L + C-Down, Left, R + C-Left, L + R + C-Down, Right, Down, R + C-Down, then hold R + Right.
2X Throwing Knives:
Press R + C-Left, L + Left, Up, L + R + Right, Right, L + R + C-Left, L + R + C-Left, R + Down, R + Left, then hold R + C-Left.
Fast animation:
Press L + C-Down, L + C-Left, C-Down, C-Right, C-Left, L + R +Right, C-Right, L + R +Up, R +C-Left, then hold L + Left.
Bond invisible:
Press L + R + C-Left, L + R + C-Down, L + C-Left, R + C-Left, R + Right, L + R + Left, L + Right, Left, L + R + C-Left, then hold L + Down.
Enemy rockets:
Press L + R + C-Down, C-Left, R + C-Down, C-Down, C-Down, L + R + C-Down, L + R + Up, C-Down, R + Up, then hold L + Up.
Slow Animation:
Press L + R + Left, L + R + Left, L + R + Down, L + R + Left, C-Right, L + R +Down, L + R + Down, L + Down , C-Left, then hold C-Up.
Silver PP7:
Press L + Left, L + R + Up, L + Right, L + R + Up, L + R + C-Left, L + R + Left, L + R + Down, C-Down, L + R + Right, then hold L + R + Left.
2X Hunting Knives:
Press R + C-Down, L + Right, R + C-Left, R + Right, L + R +Right, L + R + Up, L + Down, R + Left, L + Right, then hold L + C-Left.
Infinite ammo:
Press L + C-Left, L + R + Right, C-Right, C-Left, R + Left, L + C-Down, L + R +Left, L + R +C-Down, L + Up, then hold C-Right.
2X RCP-90s:
Press Up, Right, L + Left, R + Down, L + Up, L + C-Left, L + Left, C-Right, C-Up, then hold L + R + Down.
Gold PP7:
Press L + R + Right, L + R + Down, L + Up, L + R + Down, C-Up, R + Up, L + R + Right, L + Left, Down, then hold L + C-Down.
Magnum:
Press R + C-Down, R + Left, L + Right, L + R + C-Right, L + Down, L + R + C-Up, L + Left, L + R + C-Up, L + R + Right, L + C-Left. You must complete the Cradle level under at least the Agent difficulty first.
2X Lasers:
Press L + Right, L + R + C-Left, L + Down, R + Left, R + Down, L + Right, C-Up, Right, R + Right, then hold L + R + Up.