Kill 3 birds
Kill 300 zombies
Over 20.000 meters
Accelerate to 130 km/h
Desert completed
Do 10 flips
Forest completed
Bagdad completed
Field completed
Los Angeles completed
Redneck is fully upgraded
Hunter is fully upgraded
Sledge is fully upgraded
Buggy is fully upgraded
Harvester is fully upgraded
Modular is fully upgraded
Kill all zombies at Forest track in one run
Kill all zombies at Desert track in one run
Kill all zombies at Bagdad track in one run
Kill all zombies at Los Angeles track in one run
Get 3 stars at Desert track
Kill all zombies at Field track in one run
Get 3 stars at Forest track
Get 3 stars at Bagdad track
Get 3 stars at Filed track
Get 3 stars at Los Angeles track