Aleph One (formerly known as the Marathon Open Source Project) is a free and open-source first-person shooter engine based on the source code of Bungie Studios' Marathon 2: Durandal. The project commenced in early 2000, when Bungie released the code shortly before being acquired by Microsoft and spurred the fan community to further develop it. Since that time, Aleph One has become a successful project in terms of development and community support. Most modern-day and die-hard Marathon enthusiasts use Aleph One due to its enhancements over the original games and the fact that it is playable with today's platforms. Its name is taken from the second infinite cardinal number in transfinite arithmetic and references Marathon Infinity, the final game in the Marathon Trilogy.
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Marathon: Spartan Edition
Matter of Fate: The Spartan Edition Collection (Halo, Myth, Marathon Remastered) Full VersionFind your identity, defend freedom from the Pfhor.
Outdated – Apotheosis X v1.0
Apotheosis X Full Version 6 commentsThis version is out of date. The latest version is available in the Files section.
Marathon Phoenix v1.4
Marathon Phoenix Full VersionA 35-level single player major conversion.This scenario is difficult and action-packed; it features a full arsenal of new, powerful weapons, and more...
M.A.D.D.s for Aleph One SDL v3.0
Marathon PatchThis is an SDL port of Quartz's M.A.D.D. patch for Infinity (by Quartz, port by Thetop). Also adds Hulks from Raul Bonilla's. Adds the Marathon Automated...
Eternal X v1.1.0 beta 4
Eternal Full VersionSpanning 52 levels and all new everything. Eternity Awaits.
Marathon: Rubicon X
Marathon Full VersionRubicon X is a free, cross platform, first person shooter that continues the story of Bungie’s Marathon trilogy. First released as Marathon:Rubicon...
Tempus Irae v1.1 + Lost Levels
Tempus Irae Full Versionwith over 37 levels and almost as many new textures as Marathon, Durandal, and Infinity combined. Comes with TI2: The Lost Levels; there are several addons...
Marathon Infinity Manual
Marathon Infinity GuideThe official manual for the game, now distributed as freeware.
Marathon 2 Durandal Manual
Marathon 2: Durandal GuideThe official manual for the game, now distributed as freeware.
Marathon//Max (Version 3)
Marathon//Max Full Version 1 commentThe 3rd and final version of Marathon//Max. This is a full, standalone download with all-new updates included. Texture resolution must be set to HIGH...
Aleph One 0.23 Windows
Full Version 1 comment"Major highlights for this release include an entirely new modern 3D renderer option, a plugins system, PNG screenshots, Lua API improvements, and bug...
Aleph One 0.23 Mac OS X 10.4
Full Version"Major highlights for this release include an entirely new modern 3D renderer option, a plugins system, PNG screenshots, Lua API improvements, and bug...
Aleph One 0.23 Linux
Full Version"Major highlights for this release include an entirely new modern 3D renderer option, a plugins system, PNG screenshots, Lua API improvements, and bug...
AlephOne 0.22 Linux
Full VersionHighlights for this release include Lua persistence, a network stats display, and joystick support (from Eric Peterson). Jeremiah Morris has also joined...
AlephOne 0.22 Mac
Full VersionHighlights for this release include Lua persistence, a network stats display, and joystick support (from Eric Peterson). Jeremiah Morris has also joined...
AlephOne 0.22 Windows
Full VersionHighlights for this release include Lua persistence, a network stats display, and joystick support (from Eric Peterson). Jeremiah Morris has also joined...
Marathon 2: Durandal
Full VersionMarathon 2: Durandal was the first sequel in the Marathon series of science fiction first-person shooter computer games from Bungie Software. It was released...
Mod SDK & Community
Built a game for Aleph One and want to support mods? Try mod.io, a cross-platform mod SDK created by ModDB which makes it easy to get a mod community up and running in-game. Currently seeking games to integrate and promote
Popular Files
Marathon: Spartan Edition
Full Version 1.64gb
Marathon Phoenix v1.4
Full Version 220.17mb
Eternal X v1.2.1
Full Version 423.76mb
Tempus Irae v1.1 + Lost Levels
Full Version 97.15mb
Marathon: Rubicon X
Full Version 124.19mb
Marathon//Max (Version 3)
Full Version 298.28mb
Outdated – Apotheosis X v1.0
Full Version 239.27mb
AlephOne 0.22 Mac
Full Version 9.15mb
Aleph One 0.23 Windows
Full Version 3.73mb
Marathon 2 Durandal Manual
Guide 274.53kb