To the Quickest Goes the Spoils:
On zone three you have to beat a robot if you beat it with in 1:54 seconds then you will have all cheats you get a flair gun ,super sonic boost,necular razor laser,turn into any boss and aid,warp laser,the last boss and all the levels are open.

Gameshark Codes:

Max Viper Beam           800a7ec40fff
Infinite missils         800a7ed00014
Level E unlocked         300a7e400001