Chaos Gate is a squad-level, turn-based tactical combat game based on the Warhammer 40,000 universe. You command the Space Marines against the forces of Chaos, led by Lord Zymran, and attempt to unravel the mystery of an ancient relic. You can customize your squads with 40 different Space Marines including Terminators, Assault Troopers, and Devastator Squads. It also includes 10 special characters including Techmarines, Librarians, Chaplains, Apothecaries, and your leader, Captain Kruger. The game features detailed 3D rendered weapon effects (including plasma guns, heavy flamers, vortex grenades, and a full psyker combat system), multiplayer support over LAN or modem, a campaign consisting of 15 linked scenarios and optional random missions, and more.