Complete Level 1 on any difficulty.
Both players get a million points each in Multiplayer.
Both players get their multiplier to x10 in Multiplayer.
Complete all 16 levels on Black Belt in Single Player.
Complete World 1 on any difficulty.
Complete World 2 on any difficulty.
Complete World 3 on any difficulty.
Complete World 4 on any difficulty.
Get a Beastie Combo by shooting a certain amount of only 1 type of beastie.
Get all the Beastie Combos by shooting a certain amount of each of the special beasties.
Get the multiplier to x2 in Single Player.
Get the multiplier to x10 in Single Player.
