Complete Mutant Bash TV in the Campaign

In single player story mode, melee one of each type of alien.

In single player story mode, purchase 5 Hardened Armor items from the Intex Vendor.

Collect all logs through out the game.

Complete a single player level with Waypoint Display turned off.

Complete the game on Normal

Drive through a roadblock without hitting it

Use a Bodyshop to paint or repair your car for the first time

Fully upgrade five weapons

Complete all single player levels 1-5.

Collect all logs through out the game.

Access the map screen (in single player).

Kill 1000 aliens in single player.