Build 1,000 towers
Build 50 towers
Kill 1,000 enemies
Manually send 100 waves of enemies
Sell 30 towers
Earn 100,000 coins
Kill 500 enemies with spells
Complete level when your castle has 1 HP
Kill 50,000 enemies
Fully upgrade 200 towers
Sell 500 towers
Complete all levels with 3 stars
