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Playstation - SD Gundam Over Galaxian cheats

Unlock 5 secret options in the menu:
Hold L1 + L2 + R1, then press R2 at the options screen.

SD Gundam Over Galaxian Game Shark Codes:
                
Modify Bazooka
8001003A 000?
                
Modify Power Level
80010038 000?

Modify Speed Level
80010036 000?

Unlimited Life 
80010016 00FF

Unlimited Life (another code)            
80016430 0000