Invincibility Cheats:

1. Invincibility: Hold L1 + L2 + R1 + R2, then press Up, Down, Left, Right (twice), Left, Down, Up.
2. Infinite Weapons: Hold R2 + L2, then press Up, Down, Left, Right (twice), Left, Down, Up.
3. Super Machine Guns: Hold R2, then press Up, Down, Left, Right (twice), Left, Down, Up.

Character and Vehicle Unlocks:

1. Play as Sweet Tooth: Press Up, L1, Triangle, Right at the vehicle selection screen.
2. Play as Minion: Press L1, Up, Down, Left at the vehicle selection screen.

Level Unlocks:

1. Jet Moto Suicide Swamp: Press Up, Down, Right, R1 at the two-player challenge match screen.
2. Rooftop Bonus Level: Press Down, Left, R1, Down at the two-player challenge match screen.
3. Cyburbia Bonus Level: Press Down, Up, L1, R1 at the two-player challenge match screen.

Gameplay Modifications:

1. Rear View Mirror: Press Select + Right.
2. Disable Radar: Press Select + Left.
3. Weapon List: Press Select + Down while playing.

Special Moves and Items:

1. Invisibility: Right, Down, Left, Up.
2. Freeze: Left, Right, Up.
3. Napalm: Right, Left, Up.
4. Jump: Up (twice), Left.

Hints & Tips:

• Refill Life Bar: Run over ten people to regain energy.
• Subway Recharge in Hong Kong: Jump on the train to recharge health and special items.
• Destroy Items in Levels: Various destructible items across stages like the Hollywood sign in Los Angeles or the Eiffel Tower in Paris can be blown up using specific weapons like power missiles or remote bombs.

Level Passwords:

Here are a few of the passwords for unlocking stages:

• Axel (Moscow): X, Triangle, X, X
• Grasshopper (Paris): X, Triangle, Circle, Square, Square, Circle
• Mr. Grimm (Amazonia): X, Circle, Circle, Triangle, Triangle, Triangle

Strategy Tips:

1. Minion Strategy: Destroy one of the stone blocks covering the tunnel in Lava Stage and use napalm to defeat Minion.
2. Spectre Strategy: Use speed to stay away from enemies, fire long-range homing missiles, and repeat the process.
3. Flying Over Paris: Use Twister’s invincibility and remote mine to fly into the sky in the Paris stage.