Sleep Attack achievements

33.33%
6-Hours Sleep Cycle
Complete World 1 in 6 hours.
33.33%
The Hot Reactor
Defeat 50 Shell Reactors.
33.33%
The Yak Man
Defeat 500 Yaks.
33.33%
The Angry Birds Catcher
Defeat 100 Angry Birds.
33.33%
The Golden Short Step
Defeat 4000 Short Step.
33.33%
The Tiger Mosquito Zapper
Defeat 100 Tiger Mosquitos.
33.33%
The Iron Shield
Defeat 10 Iron Shells.
33.33%
The Golden Half Step
Defeat 5000 Half Step.
33.33%
The Angry Birds Hunter
Defeat 150 Angry Birds.
33.33%
The Silver Half Step
Defeat 3000 Half Step.
33.33%
The Mosquito Zapper
Defeat 300 Mosquitos.
33.33%
The Wooden Heavy Foot
Defeat 50 Heavy Foot.