Joined on 10/15/10
Get rid of the ghost!
Digging in the dirt!
Kill 100 zombies with your vehicle
Don't hit anything after sliding through an oil slick
While stopped during a task, don't let a single zombie reach your vehicle's hood
Weaken a hood grappling zombie with 1 weapon, then quickly switch to another weapon to finish it off with one shot
Visit the codex for the first time.