Beta 3 for Siege of Centauri is now available!

Earth's first interstellar colony in Proxima Centauri is under attack by an unknown alien species. Earth has sent you to save the colony at any cost. Create your own maps and missions with the new scenario workshop, fight against limitless waves of attacks in endless mode, build up your defenses with new towers and upgrades, face off against new enemies, and much more in Beta 3!