High Quality Content by WIKIPEDIA articles! Meridian 59, abbreviated M59, is an online role-playing video game first published by the now defunct 3DO Company. First launched online in an early form on December 15, 1995 and released commercially on September 27, 1996 with a flat-rate monthly subscription, Meridian 59 is often credited as the first 3D graphical "massively multiplayer online game" or MMO. Meridian 59 is currently available free of charge and is being run by original developers Andrew Kirmse and Chris Kirmse.