Builder

 

Build 50 towers

Cannoneer

 

Kill 1000 enemies

Secret weapon

 

Kill 500 enemies with the secret weapon

Seller

 

Sell 50 towers

Furious

 

Launch 100 waves on one map manually

Head Hunter

 

Get 100 000 coins

Fortune's favorite

 

Complete level when your castle has 1 HP

Engineer

 

Build 1000 towers

Commander-in-Chief

 

Kill 50 000 enemies

Heavy artillery

 

Fully upgrade 200 towers

Capitalist

 

Sell 500 towers

Admiral

 

Complete all levels with 3 stars