Aleph One

Aleph One is the open source continuation of Bungie's Marathon 2 game engine for macOS, Windows, and Linux, supporting Marathon, Marathon 2 and Marathon Infinity natively.

alephone.lhowon.org
Aleph One homepage screenshot

About Aleph One

Aleph One is the open source continuation of Bungie's Marathon 2 game engine for macOS, Windows, and Linux. It runs Marathon, Marathon 2, and Marathon Infinity natively, plus many third-party scenarios and net maps. Multiplayer and co-op support up to 8 players peer-to-peer over LAN or over the Internet when the host is configured properly.

Pricing is not clearly stated.

Key features

  • Global matchmaking lobby to find and chat with players
  • Optional lhowon.org account for play history and monthly leaderboards
  • Available under GNU General Public License with source code available

Aleph One at a glance

Type
App
Pricing
Not confirmed. Check the site
Platforms
Linux, macOS, Windows
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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