Stargate: Atlantis - Finale Ending is an Source Mod based upon the Stargate Atlantis show, the current script for the game is from the episode Prodigal. Where you will play an single-player game, for getting the Atlantis control room back from Michael and his team. More info will come!
As this demonstration shows, some lights makes everything seem more real, but also gives us a show of what still need more work
SG-1 gate? If you want I can give you an Atlantis gate prefab