Ka Cheats

In-game reset:
Hold L1 + L2 + R1 + R2 and press Start + Select while playing the game.

Kaneyo Mosquito:
Hold L1 and quickly press Up, Right, Left, Down, Square(2), R1(3) at the character selection screen. A shout will confirm correct code entry.
User Cheat by Kendo

Kenichi Mosquito:
Enable the "Kaneyo Mosquito" code. Then, hold L2 and quickly press Up, Right, Left, Down, Square(2), R2(3) at the character selection screen. A shout will confirm correct code entry.
User Cheat by Kendo

Two player duel mini-game:
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 rocket attack. Knock your opponent out of the ring to win.

Reckless Cyclist mini-game:
Rotate the Right Analog-stick thirty times at the title screen. Alternately, hold L2 and continuously rotate the Right Analog-stick clockwise at the title screen.

Year 2:
Fill each of the sixteen Ex Tanks to unlock Year 2.

Special costume:
Unlock all alternate costume colors on every level.

Ka Code Breaker Codes

Ka GameShark V2 Codes (NA)

Ka GameShark V3 Codes (NA)

Ka Pro Action Replay Codes (EU)

Ka Pro Action Replay Codes (NA)