 In 1984, Compunet, a UK-based network primarily for Commodore 64 users, licensed MUD1 and ran it from late 1984 until 1987, when CompuNet abandoned the DEC-10 platform they were using.Trubshaw and Bartle worked together at Multi-User Entertainment to create "MUD2" the second generation of MUD.In 1985, Richard Bartle created MUD1 version 4, better known as MUD2.