Welcome to Zandronum!
Leading the way in newschool multiplayer Doom online.
What is Zandronum?
Zandronum builds upon the classic Doom experience with powerful multiplayer features, dedicated servers, and an extensive library of community content.
Jump into cooperative campaigns, competitive battles, and unique custom game modes created by players over the years. Whether you're joining a public server or hosting your own, there's always a new way to play.
Why play Zandronum?
Excellent online play
Client/server networking makes it easy to find games, join friends, and enjoy ongoing games by hosts.
Up to 64 players
Built for multiplayer, Zandronum can support up to 64 players in a single game while maintaining smooth and responsive online play.
Classic and custom Doom
Play the classics, join custom servers, or explore community-made maps, weapons, monsters, and game modes.
Built-in game modes
- Competitive modes like Deathmatch, Team Deathmatch, Duel, CTF, Possession, LMS, Domination and Terminator.
- Cooperative modes including Survival, Invasion, and combined co-op challenges.
- Modifiers like Instagib and Buckshot to optionally spice up your game.
Features for players and modders
- Choose between the OpenGL renderer or the Software renderer.
- Use quality-of-life features like a console, custom key bindings, freelooking, and jumping.
- Play with announcers, skins, bots, custom weapons, runes, and new monsters.
- Support for other Doom engine based games including Heretic, Hexen, and Strife.
- Runs on modern versions of Windows, macOS, and Linux.
Made for community servers
- Browse servers using available server browsing apps and quickly jump into available servers.
- Host free-for-all, team-based, cooperative, survival, or customized servers with your own taste.
- Build communities around long-running mods, map packs, tournaments, and casual events of passionate players.
Open Source
Doesn't run on your flavor of operating system? The source code is available on Heptapod and all new code is licensed under a modified Sleepycat license.
New code in Zandronum is released under a 4-clause license based on the OSI-approved and GPL-compatible Sleepycat License, with the addition of the “No Endorsement” clause from the 3-clause New BSD License.
Practically, this means that Zandronum's source code is safe to use in either GPL or Doom Source License/Raven Source License/etc. source ports as long as the terms of the Zandronum license are satisfied.
The Zandronum license only covers Zandronum-specific code. Some source files contain additional notices of original copyright by their contributors.
See the ZDoom license page for more details on other licenses used within Zandronum.
Ready to play?
Available for Windows, Linux, and macOS.
Download Now