Online dating roleplaying games
Such fantasy settings for MUDs are common, while many others have science fiction settings or are based on popular books, movies, animations, periods of history, worlds populated by anthropomorphic animals, and so on.
PLATO MUDs are often ignored by historians and by the creators of other MUDs whose work came later.
Inspired by Adventure, a group of students at MIT in the summer of 1977 wrote a game for the PDP-10 minicomputer; called Zork, it became quite popular on the ARPANET.
Most MUDs are run as hobbies and are free to players; some may accept donations or allow players to purchase virtual items, while others charge a monthly subscription fee.
MUDs can be accessed via standard telnet clients, or specialized MUD clients which are designed to improve the user experience.
By the early 90s, there were several variants of MUDs- each with their own unique culture and support system.