2 Player Duel Mini-Game
Press and hold ''Start'' and ''Select'' on the 2nd controller after turning on the PS2, to activate amini-game. The controls:
Square button = accelerate
X button = jump
Triangle button = rocket attack (when the gage is full)
Goal is to knock the opponent out of the ring to win.

Play as Mama Mosquito
At the selection menu, hold L1 and press up, right, left, down, square, square, R1, R1, R1 A yell will confirm is the code has been properly entered.

Play as Papa Mosquito
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.