You used an item move.

Adjust your "Total Sim Control" strategy in The Association or Season mode.

Complete the game on Normal

Completed the mission "Plan B"

Completed the mission "The Road To Sanctuary"

Reached level 5

Pie, and eliminate, or steal from someone who is in last place by more than 1500 points

Be the last person alive at the end of Pie Fight, Over the Edge and Final Countdown in one game

Kill 30 enemies with the Pulse Rifle

Unlock all story entries and contents

Unlock a Skill Challenge

You earned Vanquisher in Offline Mode.

Complete Chapter 4