Empire Level 1
Complete Level 1 on any difficulty.
Empire World 1
Complete World 1 on any difficulty.
Empire World 2
Complete World 2 on any difficulty.
Empire World 3
Complete World 3 on any difficulty.
Empire World 4
Complete World 4 on any difficulty.
Get a Beastie Combo by shooting a certain amount of only 1 type of beastie.
All Beastie Combos
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.
Both players get a million points each in Multiplayer.
10x Multiplier Twins
Both players get their multiplier to x10 in Multiplayer.
Black Belt Grandmaster
Complete all 16 levels on Black Belt in Single Player.