Successfully complete the indicated task to unlock the corresponding achievement.

Achievement	How to unlock
Angry skull	Defeat the Skull Boss.
Back To Africa	Defeat the Monkey Boss.
In search	Finish the balloon search.
Just half	Open 33 levels.
Not now	Die 100 times.
Not so fast	Defeat the Ghost.
Not this time	Die 200 times.
Oops	Die 50 times.
Super hero	Save all the prisoners.
That's all	Open all the levels.
The Woolen telepath	Escape from an alien ship.