Defeat Moggun Bloodwolf
Get 10 stars
Get 30 stars
Build 20 towers
Build 50 towers
Kill 500 enemies
Kill 1000 enemies
Kill 2000 enemies
Call all waves early in a single mission
Sell 5 towers in a single mission
Clear 3 levels without getting death of any heroes
Clear 7 levels without getting death of any heroes
Pass level 20 in Normal mode
Pass level 20 in Nightmare mode