Star boy
Collect all stars.

Punctual
Get time bonus in every single player level.

Ooops!
Throw lich boss in a big hole.

Primary education
Complete the tutorial.

All at once
Complete any level, collecting all stars and bonuses.

Die hard
Survive 5 minutes in the bonus level.

Zombie?
Collect item without a head.

THIS IS SPARTA!!!
Throw 30 enemies in a hole.

Doublet
Destroy two tentacles of an octopus in a one moment.

Nerves of Steel
Find the secret behind saws.