Ka Cheats

Hold Start + Select on controller two after turning on the system. Press Square to move forward, X to jump, and Triangle (when the power meter is full) to do a super attack. Alternately, hold L2 and continuously rotate the Right Analog-stick clockwise at the title screen.
Game Shark Codes
Master Code (Must Be On) 0E3C7DF2 1853E59EEE886932 BCB95112
Max Health CEA56CF2 BCA99BAB
Max Hearts CEA563FE BCA99B97
All Colors CEA642D6 BCA99A82
All Extra Tanks CEA6408E BCA99B93
100% Extra Blood CEA6404A BCA99BD3
Quick Suck'n CEA5639C BCA9DD83

First unlockMama mosquito, at the selection menu, hold L2 and press up, right, left, down, square, square, R2, R2, R2 A yell will confirm is the code has been properly entered.