Every Extend Extra PlayStation Portable Cheats

Boss Attack

Successfully complete Arcade mode.

Caravan mode

Successfully complete Arcade mode. Caravan mode lets specific stages to be played.

Stage Omega & Stage Alpha

To unlock these stages, simply clear each stage with an A rank or better for Stage Omega, or a C rank or worse for Stage Alpha. The best way to get a good ranking is to get all quickens as fast as possible, then make huge combos. The best way to get a bad ranking is to not do anything at all. Simply dodge the enemies and bullets, then defeat the boss. It's still alright to get quickens, but only quickens, no combos.

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Every Extend Extra Unlockable: Boss Attack
You must finish Arcade mode once.