Kill 100 enemies.

Kill 1000 enemies.

Do more than 100 000 points in one level.

Kill 250 enemies.

Kill 50 enraged enemies.

Do more than 60 000 points in one level.

Explode 10 bonus boxes.

Kill 2 enraged enemies with one grenade.

Kill 2 enemies with one grenade.

Kill your first enraged enemy.

Kill your first enemy.

Hit 100 enemies with a grenade.

Finish 60 levels with 3 stars.

Finish 5 worlds with 3 stars

Try the same level 25 times in a row

Finish a level with 3 stars.

Kill 3 enraged enemies with one grenade.

Kill 3 enemies with one grenade.

Finish all levels in 3 world with 3 medals.

Complete the game tutorial.

Finish a world with 3 stars in every level.