Find support information for classic Doom games on console and PC through Classic DOOM.com.
ZDaemon
Play multiplayer Doom through ZDaemon, an online port for classic Doom games.
About ZDaemon
ZDaemon is an online port for classic Doom that enables multiplayer matches with other players. It supports up to 100 players in a match, against monsters or each other, with modes including Cooperative, Survival, Deathmatch, Team Deathmatch, Capture the Flag, Double Domination and King of the Hill. It works with maps for Doom, Doom II, and Heretic, including the originals.
Users download and install ZDaemon and use the included launcher to find and join servers. A ZDaemon account tracks progress through experience and levels gained by playing. A copy of Doom or Doom II is needed to play the original maps, and the program must not be installed under Program Files paths or auto-updates will not work.
Key features
- Supports up to 100 players in a single match
- Supports Cooperative, Survival, Deathmatch, Team Deathmatch, Capture the Flag and other modes
- Works with maps for Doom, Doom II, and Heretic
- Account tracks progress through experience and levels
- Included launcher lists servers worldwide for joining
- Built-in ZDIRC chat access through the game launcher
Best for: People who want to play classic Doom, Doom II, or Heretic maps in online multiplayer matches.
Good for
- Supports large matches with up to 100 players
- Works with thousands of maps for Doom, Doom II, and Heretic
- Provides help through forums, ZDIRC, Discord, and TeamSpeak 3
Watch out for
- Requires download, installation, and use of a launcher
- Requires a copy of Doom or Doom II to play the original maps
- Must not be installed under Program Files paths or auto-updates will not work
ZDaemon at a glance
- Website
- zdaemon.org
- Category
- Gaming › Game Guides, Wikis & Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
ZDaemon alternatives
Tools and sites you could use instead, ranked by how closely they match.
Doom64 EX offers Windows binaries and a macOS installer for the Doom 64 source port; the page notes a required WAD file.
The dhewm3 project ports the original Doom 3 and is known to work on Windows, Linux, and macOS.
FiveM supports multiplayer modification for GTA V, including play on customized dedicated servers.
Vice City Multiplayer modifies Grand Theft Auto: Vice City for online play, supporting up to 100 players on a server.
Play Grand Theft Auto V in multiplayer through RAGE Multiplayer, an alternative multiplayer modification.
Popular in Game Guides, Wikis & Tools
Well-known listings from the same topic.
GTA Bossgtaboss.ggGTAGaragegtagarage.comPocket Bardpocketbard.appSerebii.netserebii.netBlock Displayblock-display.comWorldPainterworldpainter.net
ZDaemon FAQ
How do I join a game?
Download and install ZDaemon, run the included launcher, then double-click a server to join.
Do I need a copy of Doom to play?
A copy of Doom or Doom II is needed to play the original maps.
Where should ZDaemon not be installed?
Do not install under C:\Program Files\ or C:\Program Files (x86)\, or auto-updates will not work due to Microsoft's UAC design.
Is something wrong or out of date?
Tell us and an editor will check it.
Own this website?
Claim this listing
Claim the listing and suggest updates yourself. An editor checks every claim first.