Earn 1000 Etherium in the missions for agents

Complete a level with less than 5% Tower health remaining

Complete the main campaign

Kill 100 enemies by critical hit

Play the endless level

Kill 100 enemies in the fire

Fill all 5 storeys with turrets

Hear the clock toll

Hit 100 times in the weak points of enemies

Destroy 200 infantrymen by Heavy cannon super ability

Use all 3 Super Weapons in the battle

Kill 10 infantrymen with 1 shot of Saw launcher

Capture all factories at least once

Destroy 50 armored cars by Lightning super ability

Send 5 trains at once

Send agent to Copenhagen

Destroy 5 tanks by Machinegun super ability

Fully upgrade the Battle Tower

Build and upgrade all buildings in the town

Find the Sea Monster

Start the mission with 3 bonuses

Destroy 30 robots by Rocket launcher super ability

Destroy 100 air units by Saw launcher super ability

Kill a total of 500 units

Complete a level without taking any damage to the tower

Complete a survival level without taking any damage to the tower

Complete all challenge levels

Kill 1000 enemies by turrets super ability

Kill a total of 5,000 units

Kill 100 enemies in the shock