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Aleph One is the open source continuation of Bungie's Marathon 2 FPS game engine. Aleph One plays Marathon, Marathon 2, Marathon Infinity, and 3rd-party content on a wide array of platforms, with (optional) OpenGL rendering, Internet play, Lua scripting, and more.

Download Aleph One

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Using Aleph One

• AlephOne.Lhowon.Org is the place to download the Marathon trilogy and Aleph One.
• The Pfhorums are the best place to go to ask for help, or to keep up with the latest Aleph One news.
• GitHub Issues is the place to report Aleph One bugs. Please read the [guide to reporting bugs](Reporting Bugs) before you report.
• [Keyboard Shortcuts](Keyboard Shortcuts) document the key commands that aren't listed in the "Customize Keys" preferences.
• [File Locations](File Locations) where Aleph One stores saved games, screenshots, and preferences.
• [Linux Install Instructions](Linux Install Instructions) explain the required dependencies and compilation.
• [Developer Notes](Developer Notes) provide information for Aleph One developers or maintainers.

About Marathon

• Trilogy Release has more info about Bungie's original Marathon trilogy, including the game manuals.
• Traxus is a wiki about the Marathon universe.
• Marathon's Story details the plot and background of Marathon, including every terminal message.
• Lhowon.Org Levels has maps and links to more information about each level.

Beyond Marathon

• Simplici7y hosts new maps and other goodies.
• Ryoko's mapmaking guide and $lave's Recommended Editors cover the tools to make your own Aleph One content.
• Plugins explains how to package your custom Lua, MML, or themes for easy installation.
• [3D Model Troubleshooting](3D Model Troubleshooting) offers tips for getting 3D models to look their best in Aleph One.
• Latest reference documentation: Lua scripting, MML, HUD scripting