An army of aliens is moving towards the colony of earthlings and wants to capture it. In the new exciting online game Colony Defender you will command the defense of the colony. Carefully examine the area around the settlement. In strategic places you will need to build defensive towers and install various guns. As soon as the enemy appears, the towers and cannons will open fire to kill. Shooting accurately, they will destroy opponents and you will be given points for this in the game Colony Defender. With these points you can build new defensive structures or improve existing ones.