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OpenOMF

OpenOMF is a fighting game, available on Windows, macOS and Linux: single-player campaign and tournaments.

  • Completely free
  • Windows, macOS and Linux
  • Open source

Overview

OpenOMF is a fighting game, available on Windows, macOS and Linux.

Gameplay elements described in its Flathub listing and on its official website: single-player campaign and tournaments.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “One Must Fall 2097 is a 2D fighting game set in the year 2097 where pilots use Human Assisted Robots (HARs) to battle in various arenas.” — Flathub, 10 November 2026
  • “One Must Fall 2097 features a 1 player story mode, a 2 player mode, a tournament mode with RPG elements and network play.” — Flathub, 10 November 2026
  • “One Must Fall 2097 features a 1 player story mode, a 2 player mode, a tournament mode with RPG elements and network play.” — Flathub, 10 November 2026
  • “One Must Fall 2097 features a 1 player story mode, a 2 player mode, a tournament mode with RPG elements and network play.” — Flathub, 10 November 2026

At a glance

All of OpenOMF is free: no feature is locked behind a paid plan, and its code is open.

Its licence (MIT) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • Commercial use allowed

About

OpenOMF is an open-source remake of the 1994 DOS fighting classic One Must Fall 2097. One Must Fall 2097 is a 2D fighting game set in the year 2097 where pilots use Human Assisted Robots (HARs) to battle in various arenas. One Must Fall 2097 features a 1 player story mode, a 2 player mode, a tournament mode with RPG elements and network play. If you experience rendering issues where no text appears, please try flatpak run --env=LIBGL_ALWAYS_SOFTWARE=1 org.openomf.OpenOMF

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Unspecified source (platforms) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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