Ubisoft has released a short new clip for Assassin's Creed III, focusing on the singleplayer Lost Mayan Ruins Mission which is free along with the Sawtooth sword if you pre-order the game from GameStop. The title will be officially released on 30 October for the Xbox360 and PS3, with the PC version following later on. The video showcases the Mayan Ruins map set in Mexico, where Connor searches for the lost treasure of Captain Kidd, whose fabled cutlass is the Sawtooth sword. For more details on the various preorder editions, head over here.