Find in the game levels
Kill 1000 zombies
Kill 800 zombies
Earn 2500 points
Kill 600 zombies
Die 6 times
Kill 400 zombies
Earn 1000 points
Kill 200 zombies
Make 3 front flips
Kill 2 birds
Complete tutorial
Make 3 back flips
Get 3 stars at one level
Paint a car
Fully upgrade your car