Complete all levels

Complete a level without taking any damage

Complete all levels with five medals

Destroy 100 enemies by one tower

Destroy 100 enemies by acid

Destroy 5 enemies by single bomb

Freeze 5 enemies by single bomb

Drop the leech from the Energy tower

Fully upgrade all towers

Build 1000 towers

Complete a level witout using ability

Complete a level without building attacking towers

Gain over 5000 energy points during one level

Sell a tower entangled in web

Destroy 10000 small enemies

Destroy 1000 medium enemies

Destroy 100 big enemies

Destroy an invisible enemy