Collect coins and unlock any new Hero
Collect coins and unlock three new Heroes
Collect coins and unlock all Hero
Kill 100 enemies
Kill 1000 enemies
Kill 10000 enemies
Purchase an item in the item shop
Purchase five items in the item shop
Purchase all items in the item shop
Complete Level 1 in normal mode
Complete Level 1 in horde mode
Complete Level 2 in normal mode
Complete Level 2 in horde mode
Complete Level 3 in normal mode
You evolved a weapon
You evolved three weapons