Asheron's Call (AC) is a fantasy MMORPG for Microsoft Windows-based PCs developed and published by Turbine Entertainment. It was published by Microsoft until 2004. Asheron's Call is set on the continent of Dereth and its surrounding islands on the fictional planet of Auberean. The game is played in a large, seamless 3D world that can be occupied by thousands of players at a time. Released on November 2, 1999 it was the third major MMORPG to be released and was developed at the same time as Ultima Online and Everquest. After initial success its subscription numbers dropped as newer MMORPGs moved into the market. Its servers are still online over 12 years after launch.