ioquake3 is a free, open-source Quake 3 engine that lets you play classic games, try new mods, or create your own first-person shooter experiences.
Play or create games with the Quake 3 engine
ioquake3 is an open-source game engine based on Quake 3, designed for anyone who wants to play classic Quake 3 games, explore new mods, or even build their own first-person shooters. The project continues to improve on the original code, offering new features and bug fixes while staying true to the original experience.
Whether you're a gamer hoping to relive Quake 3 Arena, a developer interested in modding, or someone looking to create a new game from scratch, ioquake3 gives you the tools and community support you need. The site also offers helpful guides, active forums, and connections to other players and creators, making it a welcoming hub for both play and development.
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