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idTech4A++

DOOM III/Quake 4/Prey(2006)/DOOM3 BFG/Other idTech/open-source game runtime envi.

  • Completely free
  • Android
  • Open source

At a glance

All of idTech4A++ is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • No advertising
  • Commercial use allowed

Weaknesses

  • Flagged by F-Droid: non-free assets (images, sounds)

Sources and checks

  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

How listings are built →

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