Activate the following cheats by entering the corresponding codes:
CHEAT FUNCTION - CHEAT CODE
Advance to Flare City Boss1 - solarflareex1
Advance to Nitro City Boss1 - radioactiveex2
Advance to Orbit City Boss1 - ribitex3
Use custom weapons - destroy
poop - Item drop
1. This code must be entered during game play in that level.