Discovered 100 locations

Completed "Head of State"

Completed "The Wasteland Survival Guide"

Completed "Rescue from Paradise"

Beat the Challenge of Olympus

Beat the Labyrinth without dying or failing

Collect all of the Minotaur Horns

Collect all of the ‘Godly Possessions’

Perform a 1000-hit combo

Blind 100 enemies with the Head of Helios

Score 750 points or more on a single kill (Multiplayer Only).

Kill your target and escape your pursuer in less than 10 seconds (Multiplayer Only).

Kill your target while hidden in a hay bale (Multiplayer Only).