Feral Interactive announces the Linux and OS X editions of Aliens Isolation are coming on September 29th in a Steam bundle of the survival/horror game and all its DLC. Here's word: "Alien: Isolation – The Collection will include all DLC previously released for the game including two stand-alone missions set aboard Ellen Ripley’s ship the Nostromo, in which players become a member of the original crew and attempt to evade, contain, and ultimately escape the Alien. The Collection also includes five mission packs that add new maps, playable characters and challenges to Survivor and Salvage modes, outside the main story."