Game · FPS & shooters

RBDOOM-3-BFG

A modernization effort of DOOM-3-BFG.

Completely free
Linux
Open source

At a glance

RBDOOM-3-BFG is completely free: it is open source software, and every feature is available without paying or subscribing.

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
Commercial use allowed

About

Experience the ultimate modernization of DOOM-3-BFG with RBDOOM-3-BFG! This source port brings cutting-edge technology to the classic, featuring PSX-style and 8/16-bit retro rendering modes, immersive CRT filters, enhanced global illumination PBR lighting, and realistic blood effects. Designed for both retro enthusiasts and casual gamers, RBDOOM-3-BFG delivers a complete overhaul while staying true to the original gameplay. This version reintroduces the iconic classic flashlight as an option, letting you experience the suspense and atmosphere of DOOM 3 just as you remember it. Now requiring Vulkan and supporting Wayland, it's the definitive way to relive DOOM 3 with a fresh, modern twist.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Flathub (credit card, publisher, licence, free status, platforms, commercial use, version) — 8 November 2026
Last technical check: 7 November 2026
Description from Flathub — AppStream (Flathub)

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