Kill 250 zombies with modified weapons.

Complete act III.

Complete the Single Player Campaign.

Save 5 people besieged by zombies.

Create weapons to rival the gods of fire or thunder.

Reach level 25.

Create a track in Track Studio

Create a kart in Kart Studio

Win an action race without firing any weapons

Fill your boost meter

Succeeded at five difficult Persuasion attempts

Completed an origin story without the main character ever falling in battle

Kill a worm in a Ranked Match by dropping a weapon from the Jet-Pack or Ninja Rope.