Get 25 bones.
Get 50 bones.
Defeat 25 enemies.
Defeat 50 enemies.
Defeat 100 enemies.
Defeat the first Boss.
Defeat the second Boss.
Defeat the third Boss
Solve 5 puzzles.
Solve 10 puzzles.
Solve 20 puzzles.
Open 1 treasure chest.
Open 5 treasure chests.
Open 10 treasure chests.