Classic Marathon Infinity
Released Aug 2024
From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.
89% positive · 285 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to get it
Free on Steam
Evaluation
Classic Marathon Infinity is a free-to-play community revival of the classic 1996 Bungie FPS, released on Steam on August 22, 2024. The game shipped as a complete package — it includes the full original campaign ("Blood Tides of Lh'owon") and launched alongside a Coriolis Loop Netmap Pack (its only DLC), both on the same day. There is no season pass, no announced future expansions, and no developer roadmap pointing to additional content.
Since launch, the fan development team has been actively maintaining the game through engine updates: a hotfix on August 25, 2024, a bug fix patch (Aleph One 1.10.1) on March 3, 2025, a beta test on August 8, 2025, and a feature patch (Aleph One 1.11) on August 29, 2025. These updates add quality-of-life improvements and engine enhancements — such as native Steam Linux support, audio improvements, and better controller support — but they represent ongoing maintenance of the Aleph One engine rather than new story content or expansions to the game itself. The developer has made no announcements of planned DLC, new campaigns, or additional content beyond these engine-level updates.
This game launched as a complete, finished product — a faithful revival of a 1996 title. The post-launch activity reflects the community's continued stewardship of the engine, not a content development roadmap.
Evidence
Game described as a community-maintained revival of the classic 1996 Bungie FPS Marathon Infinity, featuring the complete original campaign and modern engine enhancements. No mention of planned future content.
Coriolis Loop Netmap Pack released on the same day as the base game — the only DLC, and it is already released.
Content
1 of 1 released · no outstanding content
Media
Details
Developer
Publisher
Aleph One Developers
Achievements
13
Platform
Windows, macOS, Linux
Controller
partial support
Steam Deck
Playable
Players
Single-player · Multiplayer · Co-op · PvP
About this game
Marathon Infinity takes the closed universe of the Marathon series and blows it wide open. The solo/co-op campaign, “Blood Tides of Lh’owon,” is a 20-level scenario sporting new textures, weapons, and enemies. More than that, the scenario sheds a surprising new light on the story’s characters and the meaning of events. Having defeated the Pfhor and reawakened the ancient remnants of the S’pht, the player now faces a world where friends become enemies and all is not what it seems…
This classic 1996 Bungie™ FPS is now maintained by the fan community. Experience authentic game play using the original data files, with optional widescreen HUD support, 3D filtering/perspective, positional audio, and 60+ fps interpolation, just in case the original is too authentic.
Marathon Infinity is powered by the Aleph One engine, which is available under the terms of the GNU General Public License (GPL) Version 3.
This classic 1996 Bungie™ FPS is now maintained by the fan community. Experience authentic game play using the original data files, with optional widescreen HUD support, 3D filtering/perspective, positional audio, and 60+ fps interpolation, just in case the original is too authentic.
Marathon Infinity is powered by the Aleph One engine, which is available under the terms of the GNU General Public License (GPL) Version 3.
Last evaluated Jun 21, 2026
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