Multi-User Shared Hallucination
<communications, application> (MUSH) A user-extendable MUD. A MUSH
provides commands which the players can use to construct new rooms or make
objects and puzzles for other players to explore.
MultiTOS « Multi-User Dimension « Multi-User Dungeon
Multi-User Shared Hallucination » Multi-Version
Concurrency Control » multi-way branch » MuMath