Finish a level without any damage to the tower door
Finish a level above 10+ without using powers
Finish a level above 10+ without the hero getting hit
Buy any floor upgrade
Build a tower that's 7 floors high
Upgrade any floor to maximum
Build a tower that's 10 floors high
Build a tower that's 13 floors high
Kill 100 enemies
Finish a level above 10+ without building any floors
Kill 1000 enemies
Kill 10 enemy enforcers
Kill 100 mages
Kill 10 elite enforcers
Kill 100 hook goblins by destroying their hook
Dodge 200 goblin rockets
Kill 250 enemies with footmen
Stun 100 enemies with shockwave
Unlock the Wizard hero
Unlock the Rogue hero
Kill the Blood Baron
Kill the Lightning Baron
Kill the Tremor Baron
Kill the Necro Baron
Kill the Gilded Baron
Kill the Baron Beyond