All levels completed, new area unlocked
Press Start to pause game play, then hold L and press Y, X, B, A(2), B. Music will confirm correct code entry.
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Health recharge
If you turn on the sink, go down to the drain and let the water fall on you, your health will recharge.
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Upgrade Weapons
Pause the game, then hold L and press X, A, Y, B, A, X. If you entered the code correctly, you will hear a tone.
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All Rooms Available
Pause the game, then hold L and press A, Y, X, B, Y, X.
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Upgrade Machine Guns
Pause the game, then hold L and press B, A, Y, X, A, B. If you entered the code correctly, you will hear a tone.
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Fix Toy
Pause the game, then hold L and press A, X, B, Y, A, Y. You should then hear a tone.
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99 heavy ammunition
Pause the game, then hold L and press A, B, X, Y, B, A.
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Battery secondary weapon
Go the map where you select the room you are to play next. Somewhere along the line you will be allowed access to the tree outside the level, to race as a snail. Finish in the top three to receive a battery as a secondary weapon. It has unlimited shots and is very strong, but only seems to work on the Boss levels.
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Battery weapon
Press Start to pause game play, then hold L and press A, B, A, B, Y, X. Music will confirm correct code entry. You may now access the tree outside the level, to race as a snail. Finish in the top three to receive a battery as a secondary weapon. It has unlimited shots and is very strong, but only works on the Boss levels.
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Control lighting
Shoot or touch the light switch on the wall with the airplane or helicopter to shut off the lights.
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Credits
Press A(3), B(3) at the main menu.
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Damage without getting hit
Hit a missile launcher until it catches on fire. Fly directly into it and stay in front of it (you must be in an airplane). You will be hit and no missiles will be launched.
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Final level
Press Start to pause game play, then hold L and press R, A, X, B, Y(2), A. Music will confirm correct code entry.
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Full pause screen
Press Start to pause game play, then press X + Y.
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Heavy weapon
Press Start to pause game play, then hold L and press X, A, Y, B, A, X to get screw drivers. Music will confirm correct code entry. Repeat the code to get glue.
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Hidden artwork
Place the game disc in a PC compatible CD-ROM drive to find screen shots and other artwork from the game.
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Hidden levels unlocked
Press Start to pause game play, then hold L and press A, B, Y, X, Y, X. Music will confirm correct code entry.
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Level select
Press Start to pause game play, then hold L and press A, Y, X, B, Y, X. Music will confirm correct code entry.
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Refuel your vehicle
Press Start to pause game play, then hold L and press B, Y, A, X, B, X. Music will confirm correct code entry. Note: This is only effective during missions that utilize only one vehicle.
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Restore life meter
Enter the bathroom in the parent's bedroom in the convoy mission. Shoot the bathtub faucet to turn on the water. Fly through the stream of water to refill your life meter. This may also work in water sources in other levels.
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Switch machine gun
Press Start to pause game play, then hold L and press B, A, Y, X, A, B. Music will confirm correct code entry.
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