Stargate Universal Sin is an alternate ending to Stargate Atlantis fanfiction series based on the premise of the Asurans winning the battle in SGA Season 4x10 "Be All My Sins Remembered" and having the USS Apollo destroyed in the battle. It continues to rewrite the next eleven episodes leading to a finale which sees Atlantis leave the Pegasus Galaxy for Hoag's Object. There is also a synopsis version available on the Official Website