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