Auran announced that Trainz Railway Simulator 2006 on DVD is back in stock and backorders are shipping now. Until the end of November UTC owners who have registered their serial number in their Planet Auran Profile can now claim a 20% loyalty discount on the purchase of TRS2006. UTC, also known as Ultimate Trainz Collection and Trainz Railway Simulator Ultimate Collection was the predecessor of Trainz Railroad Simulator 2004 and has a serial number beginning with AUTC.