Upcoming post-apocalyptic, open-world zombie MMORPG Persist Online has just been announced by CipSoft, the devs behind pioneering 1997 MMORPG Tibia.
Released on May 12, 2003, first mobile MMORPG TibiaME (originally Tibia: Micro Edition) is marking its 20th anniversary.
Tibia is one of the oldest MMORPGs and is still running today with an active community. Launched way back on January 7, 1997, the game is not only one of the oldest online games, especially notable since it's not only still running, but the game thrives.