Reach wanted level (4) Target as a Racer

Reach wanted level (2) Suspect as a Racer

Create a 'New Post' or 'Write a Reply' on the Wall

Select a Friend Autolog Recommendation and beat it

Deploy a Road Block which then gets hit by a Racer

Fill the Nitrous bar then use it all in one go without hitting anything

Complete act II.

Kill 50 human enemies.

Kill 250 zombies using blunt melee weapons.

Kill 5 Infected in a row with a single blow.

Breach a locked door with the first blow.

Drive a total distance of 10 kilometers.

Reach level 10.