ioquake3
ioquake3 distributes an open source Quake III Arena engine with builds for Windows, macOS, and Linux.
About ioquake3
ioquake3 is a free and open-source first person shooter engine based on the Quake 3: Arena and Quake 3: Team Arena source code, licensed under GPL version 2. It offers downloads for Windows, macOS and Linux. It is a community project not part of or sponsored by id Software, Bethesda or Microsoft.
Pricing is not clearly stated.
Key features
- Play Quake 3: Arena and Team Arena
- Play mods made for those games
- Play other games built with ioquake3
- Run your own game server
- Make your own game from source code
ioquake3 at a glance
- Website
- ioquake3.org
- Category
- Gaming › Mods & Fan Projects
- Type
- App
- Pricing
- Not confirmed. Check the site
- Platforms
- Windows, macOS, Linux
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Yes · Source code
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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