Hear the clock toll

Complete a level with less than 5% Tower health remaining

Fill all 5 storeys with turrets

Complete the main campaign

Complete all challenge levels

Complete a survival level without taking any damage to the tower

Complete a level without taking any damage to the tower

Kill a total of 500 units

Kill a total of 5,000 units

Start the mission with 3 bonuses

Use all 3 Super Weapons in the battle

Send 5 trains at once

Capture all factories at least once

Fully upgrade the Battle Tower

Build and upgrade all buildings in the town

Find the Sea Monster

Earn 1000 Etherium in the missions for agents

Kill 1000 enemies by turrets super ability

Send agent to Copenhagen

Hit 100 times in the weak points of enemies

Play the endless level

Kill 100 enemies in the fire

Kill 100 enemies in the shock

Kill 100 enemies by critical hit

Destroy 5 tanks by Machinegun super ability

Destroy 50 armored cars by Lightning super ability

Destroy 100 air units by Saw launcher super ability

Destroy 200 infantrymen by Heavy cannon super ability

Destroy 30 robots by Rocket launcher super ability

Kill 10 infantrymen with 1 shot of Saw launcher