Liblast: A free multiplayer FPS game built with the Godot 4 engine and a fully open-source toolchain

Liblast: A multiplayer FPS game created with the Godot 4 engine

A new month of this year begins (March, 2026) and as usual, month after month, today we will take the opportunity to tell you about another interesting one video game for Linux from our new list of open-world exploration video games. Which, as we mentioned before, is a list hosted on the GitHub platform under the name «Open source games»and whose purpose is to compile and disseminate a list of different open-source video games and open-source remakes of commercial video games. Therefore, For this fifth time, our chosen video game is "Liblast"which belongs to the First Person Shooter (FPS) category.

It is worth noting before starting the exploration of this video game that, The list mentioned on GitHub is quite extensive.and has a list Over 100 video games from different eras, with varying graphical qualities and gameplay stylesgrouped into many categories such as: Action games, Adventure games, Business and tycoon games, City building games, First-person games, Platform games, Puzzle games, Racing games, Real-time strategy games, Role-playing games, Sandbox games, Shooting games, Sports games, Third-person games, Tower defense games, Turn-based strategy games, among others.

Cytopia: A city-building video game for Linux

But before we begin this new, interesting, and fun Gamer post about the following video game for Linux called "Liblast"We recommend you explore our previous related post Regarding the last video game explored, after reading this:

Cytopia is a free, open-source, retro pixelated city-building game with a strong focus on modding. It uses a custom isometric rendering engine based on SDL2. Learn more about Cytopia

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Liblast: A multiplayer FPS game created with the Godot 4 engine

About the video game Liblast

• Official Web site
• GitLab Repository
• Latest version available: Liblast Legacy from February 28, 2023 (based on Godot 3) and Liblast Dev from July 13, 2024 (based on Godot 4).
• Direct download: Liblast Legacy (0.1.9-1 Hotfix Pre-alpha) (95,9 MB) and Liblast Dev (64,1 MB).

Liblast is a non-profit project whose goal is to develop a free and open-source platform and game using a fully open-source toolchain. Established tools include Godot, Blender, Material Maker, Inkscape, and Ardour. Everything, including game assets, is created with free and open-source software, and all source files (including sound and 3D assets) are publicly available. It's worth noting that in early March 2024, the decision was made to abandon the existing Liblast codebase and begin a complete rewrite. Therefore, the pre-2024 version of the game is referred to as "Legacy" and resides in its own archived Git repository. The Liblast Dev version is now based on Godot 4. Learn more about Liblast

It is worth noting that, among the overall objectives of this development and its developers Some examples include:

• Create a fun, open-source game for everyone to enjoy.
• To demonstrate that free creative tools are sufficient to create a good game.
• To promote open-source FPS games in terms of consistent design, style, technology, and overall quality.
• Allow the game to be played on low-end computers, but offer greater fidelity for those with more powerful hardware.
• Allow joining the game from a web browser for quick sessions, as well as providing a downloadable package for home or portable use.
• Actively contribute to the development of the Godot engine and other open source tools we depend on.
• Facilitate third-party content through "Mods".
• Offer optional online accounts to securely store user data and protect their in-game identity.

And if you find it useful, click here. here to learn more about games developed and made with the free and open-source game engine Godot.

Screenshots of the video game

Official video about the video game Liblast (development version updated to 23/02/2026)

Other games to explore within the First Person Shooter Games category of the "Open source games" list

Traditional

• Krieger: A first-person shooter video game created by the German demo group «.theprodukkt».
• Anarch: Retro shooter in the style of the 90s, it is a shooter from the 90s.
• Assaultcube: Free multiplayer first-person shooter video game.
• Cube 2: Sauerbraten: Free-to-play multiplayer and single-player first-person shooter.
• Descent 3A first-person shooter video game.
• Liblast: Free multiplayer FPS video game created with the Godot 4 engine.
• Red eclipse: Classic arena shooter for the modern era.
• Surreal Engine: Reimplementation of the Unreal Tournament engine.
• Dark Mod: First-person stealth video game.
• xonotic: Arena-style first-person shooter video game with crisp movements and a wide range of weapons.

Based on the video game Aliens versus Predator

• AvP Forever: Video game based on the maintenance of the available source code of the game «Aliens vs. Predator» (1999).
• Avpmp: Fork of the original version of AvP for Linux, expanded with multiplayer and other features.
• NakedAVP: Version of Aliens vs. Predator Classic (2000) for modern systems, based on the Iculus version for Linux, macOS and Windows with SDL3.

Based on existing video game engines

• Duke Nukem 3D: Official version of the official video game by 3D Realms Entertainment, Inc.
• Shadow Warrior: Official version of the Shadow Warrior source code.
• EDuke32: Official Git repository of EDuke32, which houses the source code for EDuke32, Ion Fury, VoidSW, Mapster32, among others.
• JFDuke3D: Port of the game Duke Nukem 3D by 3D Realms.
• JFShadowWarrior: Port of the game Shadow Warrior by 3D Realms.
• NBlood: Build game ports made by reverse engineering using the technology and development principles of the EDuke32 engine.
• NuBuildGDX: A fork of BuildGDX that aims to improve stability, bug fixes, and performance.
• rays: A development engine based on GZDoom. Currently, it supports Duke Nukem 3D, Blood, Shadow Warrior, Redneck Rampage, and Powerslave/Exhumed.

Video games developed by ID Software

• Doom
• DOOM64-REComplete reverse engineering of Doom 64.
• Doom 3 BFG Edition
• Quake II
• Quake II
• Quake III Arena
• Wolfenstein 3D

Developed using ports from original sources and their reimplementations

• 3-D Catacomb or CatacombGL: Port de Catacomb 3D and the Catacomb Adventure series.
• Doom or Chocolate Doom: A port of Doom that faithfully reproduces the Doom experience as it was played in the 90s.
• ZDoom: Port focused on the features of all games using the Doom engine.
• Quake or Chocolate Quake: Purist port of Quake that restores the original appearance of v1.09 and earlier.
• FTEQWPowerful engine for playing and modifying idTech-based games.
• ECWolf or Wolfenstein 3D: Port of the Wolfenstein 3D engine based on Wolf4SDL.
• Wolf4SDL: Port of the classic first-person shooter game Wolfenstein 3D by id Software to the SDL cross-platform media library.

Websites with more information about video games available for Linux

And to conclude, remember that you can explore the following web links corresponding to Online Game Stores that include or specialize in video games for Linux:

1. AppImage: AppImageHub Games, AppImage GitHub Games, portable linux games y Portable Linux Apps GitHub.
2. Flatpak: flat hub.
3. Snap: Snap Store.
4. Online stores: Steam e Itch.io.

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