Bartle co-created the first MUD, the direct ancestor of the MMORPG, and became the field's leading theorist; his four player types remain the most cited model of why people play online games.
Life
Richard Allan Bartle was born on January 10, 1960, in Ripon, in the north of England. He was already a game designer before he touched MUD: in 1977 he created Spellbinder, a pencil-and-paper duel in which two wizards cast spells by choosing a gesture for each hand every turn (snap, wave, clap, wriggle, point) and building them into sequences. First published in his fanzine Sauce of the Nile, it has since been adapted to play-by-email, Java, Android and the web, and prized for its bluffing.
He studied at the University of Essex, where he met Roy Trubshaw. After MUD he stayed on, earning a PhD in artificial intelligence in 1988 and lecturing at Essex until 1987, when he left to work full-time on the game's successor. He later returned as a part-time professor and principal teaching fellow in the Department of Computing and Electronic Systems, teaching game design, and he retired from teaching at the end of April 2025 as Emeritus Professor. He is a Fellow of the Royal Society of Arts and a patron of Humanists UK; in the early 2000s he was reported to be living in a village near Colchester with his wife, Gail, and their two daughters.
Work
Trubshaw began MUD (Multi-User Dungeon) in autumn 1978 on the university's DEC-10. Bartle joined early, writing much of the game's world: its locations, puzzles and inhabitants. When Trubshaw left Essex in 1980, Bartle inherited a program that, in his own account, had no objective for players, only primitive communication, no points, no mobile creatures and no containers. He estimates that about a quarter of the final program was Trubshaw's and that he wrote most of the rest. His most famous change was the goal: players earned points by collecting treasure and defeating foes, and those who accumulated enough became Wizards, immortals with powers over ordinary players, a status adapted from what had been Trubshaw's debug mode. He also separated the game's generic elements into include files so that new worlds could be built on the same engine. Bartle insists on shared credit: MUD "was created and written by Roy Trubshaw and Richard Bartle."
MUD's reach grew with the networks. In 1980 Essex's connection to the ARPANET brought in the first outside players; from 1983 the university opened the machine to callers between 2 a.m. and 6 a.m. (7 a.m. in some accounts) through British Telecom's Packet Switch Stream, and players arrived from around the world. The game was licensed to the UK network CompuNet and, from 1987, to CompuServe, which ran it as British Legends until 1999. With Trubshaw and Simon Dally, Bartle formed Multi-User Entertainment Limited to develop MUD version 4, known as MUD2.
Bartle's second career was explaining what he had built. In his influential 1996 paper "Hearts, Clubs, Diamonds, Spades: Players Who Suit MUDs," drawn from years of watching players, he proposed four types: achievers, who pursue points and levels; explorers, who want to understand the world; socializers, who come for other people; and killers, who seek to impose themselves on others, the archetype behind the Player killer (PK). An online quiz based on the model, the Bartle Test, spread widely through MMO communities. His 2003 book Designing Virtual Worlds became a standard text on the history, design and ethics of online games, and he later published MMOs from the Inside Out and MMOs from the Outside In (2015), fiction, and a second edition of Designing Virtual Worlds in 2025. He also contributed to the virtual-worlds blog Terra Nova.
Legacy
MUD is the root of the MUDs (Multi-User Dungeons) genre and, through it, of the MMORPGs. Its structure of shared rooms, persistent characters, leveling and an elite of immortal Wizards was copied and extended by hundreds of later MUDs, and designers who grew up on them carried the ideas into Ultima Online, EverQuest and World of Warcraft. Bartle's player types gave designers a vocabulary for balancing those worlds, and his writing insisted that virtual worlds are places with their own ethics, not merely products.
The industry has honored both sides of his work: the IGDA First Penguin Award (now the Pioneer Award) at the 2005 Game Developers Choice Awards for co-creating the first MUD, and the Online Game Legend Award at the 2010 Game Developers Choice Online Awards. In 2014, with his and Trubshaw's permission, a reimplementation of MUD was deposited in the archives of Stanford University.
Marginalia
- Born January 10, 1960, in Ripon, England, he took over MUD from Roy Trubshaw in 1980 and wrote most of the finished game.
- He turned MUD's debug mode into its ultimate goal: earning enough points to become an immortal Wizard.
- In 1977 he designed Spellbinder (also called Waving Hands), a duel of spell-casting hand gestures first printed in his fanzine Sauce of the Nile.
- His taxonomy sorts MUD players into achievers, explorers, socializers and killers; an online quiz based on it became known as the Bartle Test.
- He received the IGDA's First Penguin Award at the 2005 Game Developers Choice Awards for his part in creating the first MUD.
- He earned a PhD in artificial intelligence from Essex in 1988 and retired from teaching there in April 2025 as Emeritus Professor.
Quick answers
- Who is Richard Bartle?
- The Essex student who co-wrote MUD1, gave it points, puzzles and the long climb to Wizard, and then spent four decades explaining why people play online worlds, from the Bartle taxonomy to Designing Virtual Worlds.
- When was Richard Bartle born?
- Richard Bartle was born in 1960 in Ripon, England.
- What is Richard Bartle known for?
- Richard Bartle is best known for MUD1.
- Why does Richard Bartle matter to fantasy and games?
- Bartle co-created the first MUD, the direct ancestor of the MMORPG, and became the field's leading theorist; his four player types remain the most cited model of why people play online games.
