Beat the game once.

Beat the game twice.

Beat the game in under 10 minutes.

Beat the game without taking damage.

Use every construct in the game.

Successfully stun enemies 5 times using a perfect dodge.

Complete an encounter with the maximum combo rank active.

Stun 5 different enemies with one attack.

Hear one of the rare overkrill tracks.

In one encounter, use only the hammer and use it at least 5 times.

Taunt 25 times.

Beat the game with max combo rank without going down in rank once.

Enter Swarm Mode for the first time.