Achieve an 8X multiplier during any mix (not in the tutorial).

Complete your first mix (not in a tutorial).

Help Billy get his bike back. (The Lost and Damned)

Blind 100 enemies with the Head of Helios

Deliver 50 kicks to Hounds

Burn 100 enemies with the Bow of Apollo

Beat the game

Solve the Three Judges

Save Pandora

Acquire the Boreas Icestorm

Earn 21 stars in Special Ops.

Kill Cronos

Gut 3 Centaur Generals