Alter Aeon is a MUD, a text-based online role-playing game, which has been running since 1995. Alter Aeon has support for the blind and visually impaired. A custom client for the sighted is also available on the web site, though the game can still be played using ordinary MUD clients.
Over the years, the game was hosted on several different machines and switched locations a number of times. The code base for the game is custom and is named "DentinMud", presumably after the moniker of the creator…