
The mind-bending finale of Bungie's trilogy with time branching.
FPS / Shooter / Action · 2015 · ~25 MB · Open Source (GPL-3.0)
That One Thing
Surviving a brutal alien ambush with your last magazine, only to reach a terminal where Durandal congratulates you with chilling condescension.
Marathon Infinity concludes the trilogy with non-linear realities, multiple timelines, and expanded multiplayer weapons on the Aleph One engine.
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Minimum Requirements
Any 64-bit desktop · 1 GB RAM · OpenGL 2.1 · 250 MB storage
Recommended Requirements
Any machine made this century
Vouched for by established community members, not yet PlayBound tested.

The complete Marathon 2 scenario bundled with the Aleph One engine.
ControllerFPSShooterActionSci-Fi

The original Marathon campaign ported to the Aleph One engine.
ControllerFPSShooterActionPrequel
Looking for the base game?
Marathon 2 has an overview, reviews, guides, and discussions covering every edition.