MUDs & Text Games
147 sites
https://icesus.org/
Icesus is a free multiplayer text-based MUD set on the frozen planet of Aegic, running continuously since 1995 and maintained by a non-profit community. With 40+ guilds, deep combat systems, a richly detailed world, and a brand-new browser client requiring no downloads, it offers an impressive old-school online RPG experience still actively developed today.
https://majik3d-legacy.org/
A legacy archive preserving the history of Majik 3D MMORPG, a volunteer-driven open-source online roleplaying game active from 1995 to 2002 that evolved from a text-based MUD through a 2D roguelike into a full 3D world. Maintained by the original developer namhas, the site hosts over 3,300 files including source code on GitHub, archived mailing lists, forums, screenshots, and design documents chronicling one of the early indie MMORPGs with player-controlled economies and ecosystems.
https://nightfall.org/
Nightfall is one of the oldest continuously running MUDs in existence, operating since 1990 and offering a rich text-based multiplayer world with over 100 quests, multiple guilds, and diverse races. Visitors can connect via telnet or a built-in web client, and the site provides extensive documentation including a quickstart guide, lore, maps, and player help resources.
https://jhcore.sourceforge.net/
JHCore is a core database package for the LambdaMOO MUD server, offering an alternative to LambdaCore with a rich set of features for building virtual worlds and text-based applications. Programmers and MUD builders will find extensive support for English pronoun substitution, hypertext help systems, navigational tools, module systems, and group-based administrative privilege assignment.
http://dsl-mud.org/
Dark and Shattered Lands (DSL) is one of the longest-running MUDs on the internet, set in the richly detailed fantasy world of Algoron with kingdoms, clans, races, and deep lore. The site offers extensive resources including equipment lists, maps, a wiki, clan war standings, competitive leagues like the Gladiator League, and a podcast for this thriving text-based RPG community.
https://inferno3.com.br/
Inferno3 is a Brazilian MUD (Multi-User Dungeon) server running an open beta, accessible via Pueblo or MushClient clients at inferno3.com.br port 4000. The ASCII art splash page and visible player list give it an authentic old-school text game atmosphere, inviting players into a Portuguese-language online roleplaying world.
https://theuw.net/
The Underworld is a long-running MUD established in 1988, offering 15,000 rooms across 120 zones, 8 character classes, 10 races, and 65 mortal levels with an optional player-killer dimension. Features like automated auctions, clan systems, remort options, and a Java telnet client make this one of the more feature-rich classic MUD experiences still online.
https://ifdb.org/
IFDB is a comprehensive catalog and recommendation engine for interactive fiction and text adventures, maintained as a wiki-style community project by the Interactive Fiction Technology Foundation. Visitors can browse thousands of game listings, read and submit reviews, participate in competitions, and discover new works through polls and curated recommendation lists.
https://mud.co.uk/richard/incarns.htm
Richard A. Bartle, co-creator of the original MUD, documents every production incarnation of MUD from its 1978 origins at Essex University through its many commercial and hobbyist deployments across decades. A fascinating primary-source history listing dates, hosts, version numbers, nicknames, and detailed notes about each iteration straight from the man who built it.
https://planet-if.com/
Planet Interactive Fiction is a blog aggregator maintained by Christopher Armstrong that collects posts from dozens of writers, reviewers, and developers across the interactive fiction community. Covering tools like Inform 7, TADS, ADRIFT, and Z-Machine alongside reviews, walkthroughs, and craft essays, it serves as a central hub for anyone passionate about text adventures and parser games.