LiveDecember 1978 · 48 years ago
Multi-User Dungeon
Multi-User Dungeon, or MUD (referred to as MUD1, to distinguish it from its successor, MUD2, and the MUD genre in general) is an early MUD and one of the oldest examples of a virtual world in existence.
Player stats
| Month | Estimated players | Change |
|---|---|---|
| September 2026 | ~1 | |
| August 2026 | ~1 | — |
| July 2026 | — | — |
Community activity
Daily Multi-User Dungeon community data tracked across Steam, Discord, Reddit, Twitch, and YouTube.
Twitch viewers
0 live streams
0Down 100% past month
Multi-User Dungeon recently drew 0 live viewers on Twitch across 0 streams; viewership peaked at 9 on Aug 21, 2026. Twitch viewership is down 100% over the past month.
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Frequently asked questions
Is Multi-User Dungeon dead or still active?
No, Multi-User Dungeon is not dead — it is live and playable.
When was Multi-User Dungeon released?
Multi-User Dungeon was released in December 1978.