Level 1 Finished
Finish the first level
Level 2 Finished
Finish the second level
Level 3 Finished
Finish the third level
Level 4 Finished
Finish the fourth level
Level 5 Finished
Finish the fifth level
Level 6 Finished
Finish the sixth level
Level 7 Finished
Finish the seventh level
Level 8 Finished
Finish the eighth level
Level 9 Finished
Finish the ninth level
Level 10 Finished
Finish the tenth level
Berserker
Kill 50 enemies in less than 1 second
Butcher
Destroy 500 enemies
Slayer
Destroy 2500 enemies
Mass Murderer
Destroy 10000 enemies
Bullfighter
Destroy 100 bulls
Shield Breaker
Destroy 100 Shield Bearers
Two Birds One Shot
Destroy 10 enemies with a single explosion
Chain Reaction
Leave a Decoy and a Turret right after
By a Hair's Breadth
Finish a wave with less than 1 second left
Slippery
Spend 15 seconds hidden in one go
Live in the Shadows
Spend a total of 10 minutes hidden