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.