The Ultima franchise is the longest-running RPG series, at 29 years. Ultima I: The First Age of Darkness was released in 1980 while the most recent entry to the series, Ultima Online: The Stygian Abyss, came out in 2009.

GWR Video Gamer’s Edition 2008 record updated and featured in GWRGE 2010

It is beaten to the record of overall longest-running videogame franchise by Space Invaders, which was first released in 1978 and most recently updated with Space Invaders Extreme 2 in 2009.