Spy Hunter 2 - Platform: XBox

All weapons and missions:
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Press L, Black, White, R(2), White, Black, L at the main menu.

Unlimited ammunition:
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Press Start to pause game play, then press R, L, Black(2), White, R, L, 
Black, White. Repeat this code to disable its effect.

Invincibility:
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Press Start to pause game play, then press L(3), Black, L, R(2), L, Black. 
Repeat this code to disable its effect.

Turn car into three-wheeled vehicle:
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Press Up, Y during game play.
brown339.

Stay in snowmobile:
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Play The Training Wheels level. When you are near the extreme temperature 
rooms, transform into the escape cycle. When you go over the snow, it will 
automatically turn into a snowmobile. However, it will stay a snowmobile 
even when you get out of the snow until you finish stage 3.