Input the following on the listed screens:
Code Effect On the Option Screen: Up, Up, Down, Down, Left, Right, Left, Right, B, A. 8th Difficulty On the Demo Screen: Hold Up+L and press X, X, X, X, X, B, B, B, B, B, Y, Y, Y, Y, Y, A, A, A, A, A Controllable Octopus (move with D-Pad, scale with A or Y) On the Pause Screen While Playing: L, R, Up, X, Right, A, Left, Y, Down, B, A, Y, A, Y, R Invincible On the Option Screen: Up, Right, Down, Left, X, A, B, Y. Round Select On the Pause Screen While Playing: X, X, X, B, B, B, Y, Y, Y, A, A, A, L, R Three Super Bombs (once per stage)
Highlight Octopus on the character selection screen, and hold Up+L+X for around 30 seconds. A menu will then be displayed allowing you to select your starting stage, scene, and ''Mutek'' (set it to 01 for a fully powered up, invincible ship)
Contributed By: PentarouZero.
Know Something We Don't?
You can submit new cheats for this game and help our users gain an edge.
Have We Been Fooled?
You can submit a problem report for any non-working or fake code in the lists above.