Science fiction games

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Games with science-fiction themes

List of Science fiction games[edit]

This is a list of free/libre science fiction games:



Game Screenshot Last Release Genres Description
Nexuiz Nexuiz252.jpg 2009-10-01 First person shooter
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Nexuiz
Nexuiz252.jpg
Nexuiz v2.5.2
GenreFirst person shooter
Latest release2.5.2
Release date1st October 2009
DevelopersForest Hale, Lee Vermeulen
Code licenseGPL
Media licenseGPL
EngineDarkPlaces
Contribute
Nexuiz is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

NOTE: This article refers to the original libre game “Nexuiz” created by AlienTrap from 2005. There's also a proprietary game called “Nexuiz” by IllFonic. This article is concerned with the libre game.

Nexuiz (also called “Nexuiz Classic” for disambiguation) by AlienTrap is a multiplayer 3d first person arena shooter, based on Forest Hale's DarkPlaces engine.

Conquest Conquest.jpg 2019-06-19 RTS
Conquest
Conquest.jpg
Screenshot of Conquest
GenreRTS
Latest release9.1  (Announcement)
Release dateJune 19th, 2019
Code licenseArtistic License 2.0[1]
Contribute
Conquest is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Conquest is a real-time strategy space war game, with networked multi-player support. The game is team oriented and the player controls a single spacecraft, with an array of science fiction weapons, such as 'photon torpedoes'. The objective of the game is to conquer the planets of the opposing team.

Azimuth Azimuth.png 2018-06-25 Top-down shooter, Adventure
Azimuth
Azimuth.png
Azimuth
GenresTop-down shooter, Adventure
Latest release1.0.2  (Announcement)
Release dateJun 25th, 2018
DeveloperMatthew D. Steele
Code licenseGPLv3[2]
Media licenseGPLv3[2]
P. languageC
LibrarySDL
Contribute
Azimuth is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
OpenSUSE Logo.svg OpenSUSE: azimuth

Azimuth is an action-adventure game, combining 2D top-down shooter action with exploration of a large map. The gameplay involves piloting a freely rotating forwards-thrusting ship through a variety of environments, shooting and dodging the attacks of various enemies, solving environmental puzzles, and the gradual revelation of a science-fiction plot.

OpenHV OpenHV.png 2023-09-17 RTS
OpenHV
OpenHV.png
GenreRTS
Latest release20230917  (Announcement)
Release dateSeptember 17th, 2023
PlatformsLinux, Windows, Mac
DeveloperOpenHV developers
Code licenseGPLv3
Media licenseCC-BY-SA-4.0, CC-BY-3.0-US
EngineOpenRA
P. languageC#, Lua
LibrarySDL2, OpenGL, FreeType, OpenAL
Contribute
OpenHV is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

OpenHV is a mod of OpenRA that takes the Hard Vacuum sprite artwork and loosely recreates the never released original.[3] It is a real-time strategy game which uses supply lines for resources.[4] The first stable version was released in April 2021. It supports single-player, LAN, online multiplayer as well as map editing.[5] Another major release was published 2 years later with almost monthly pre-release versions available for testing.[6]

Red Eclipse Redeclipse.jpg 2019-12-19 First‐person shooter
Red Eclipse
Redeclipse.jpg
Red Eclipse
GenreFirst‐person shooter
Latest release2.0.0  (Announcement)
Release dateDecember 19th, 2019
Code licensezlib[7]
Media licenseCC BY-SA 3.0[8]
EngineSauerbraten
P. language C++
LibraryOpenGL
Contribute
Red Eclipse is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
OpenSUSE Logo.svg OpenSUSE: redeclipse


Red Eclipse is a total conversion of Cube 2, featuring entirely free art under CC BY-SA 3.0 or a compatible license. It features many modes like deathmatch, free-for-all, and capture-the-flag. The game has a sci-fi theme and has gameplay similar to Quake-based arena games, with the notable omission of pickups. The game uses OpenGL.

In the past there was a possibility of the game going commercial, so some files were labelled Omitted to default to the included license. It was decided that the default license will be CC BY-SA, so from then on Red Eclipse is completely libre [9] and is now included in Debian main.

Red Eclipse has been converted to the much more advanced Tesseract engine. Tesseract adds features such as dynamic lighting, improved map model support, improved specular and normal map rendering, support for day/night versions, and more.

Hull Breach Hull-Breach.png 2020-12-06 Arcade
Hull Breach
Hull-Breach.png
GenresArcade
Latest release1.0  (Announcement)
Release dateDecember 6, 2020
DevelopersPiga Software
Code licenseGPLv3
Media licenseGPLv3
EngineGambas Tile System
P. languageGambas 3.x
LibrariesGTK, SDL, and the Gambas Runtime Environment.
Contribute
Hull Breach is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Hull Breach is a game made by Piga Software for the inaugural December 2020 LibreJam. It is a top down arcade game where an astronaut has to seal breaches in his ship using duct tape in zero gravity. First collecting the tape, the player than bounces from wall to wall to get to the leaks as they open up. Hull integrity decreases faster the more breaches are active at any given time. By convention, cracks are more likely to form on tiles with objects on them, though not exclusively so. It was written in Gambas 3.15.2 and the first release uses GTK 3 for interfaces and SDL 2 for audio. Graphics are sourced from the CC0 library from Openclipart with music from Wikimedia Commons ("The Blue Danube" by Johann Strauss II) and sounds from the public domain portion of Freesound. Development tools used include the Gambas IDE, Inkscape, Audacity, GIMP and KolourPaint on top of Fedora GNU/Linux.

Gatemender Gatemender.png 2020-12-15 Arcade
Gatemender
Gatemender.png
GenresArcade
Latest release0.2  (Announcement)
Release dateDecember 15, 2020
DevelopersErik Letson
Code licenseExpat license / MIT license
Media licenseCC BY-SA 4.0 International license (graphics), CC0 (music & sound), CC-BY 3.0 (font)
P. languagePython
Librariespygame, SDL
Contribute
Gatemender is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Gatemender (the "Warp-Gate Repair Arcade Game") is a game developed by Erik Letson for the inaugural December 2020 LibreJam. It is a top down arcade game where the player controls a ship trapped in the middle of an asteroid storm. The only path to freedom is a warp gate, which has already been damaged by the storm. Luckily the parts to fix it can be found by blasting the asteroids, allowing an eventual escape. The player has three lives to spend, and a new scene and gate is generated upon completing the last. Letson has since started work on the tactical role playing game Heart of Gold, though the project is now on hiatus.

FreedroidRPG Freedroid RPG-0.16.1-screenshot.png 2023-01-22 RPG, Post-apocalyptic
FreedroidRPG
Freedroid RPG-0.16.1-screenshot.png
Fighting a larger bot with the help of one hacked earlier.
GenreRPG, Post-apocalyptic
Latest release1.0  (Announcement)
Release dateJanuary 22nd, 2023
PlatformsLinux, FreeBSD, Haiku , Mac, Windows
DeveloperFreedroidRPG dev team
Code licenseGPL v2 or later[10][11]
Media licenseGPL v2 or later[10][11]
P. languageC, Lua
LibrarySDL
Contribute
FreedroidRPG is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch:
freedroidrpg 
Slackware logo.svg Slackware: freedroidrpg 
Openlogo-debianV2.svg Debian: freedroidrpg 
Fedora logo.svg Fedora: freedroidrpg  
Gentoo Linux logo matte.svg Gentoo: games-rpg/freedroidrpg 
UbuntuCoF.svg Ubuntu: freedroidrpg 
OpenSUSE Logo.svg OpenSUSE: freedroidrpg 
Mageia logo small.jpg Mageia: freedroidrpg 
Daemon-phk.svg FreeBSD: freedroidrpg 
Haiku (operating system) logo.svg Haiku: games-rpg/freedroidrpg/

FreedroidRPG is an isometric RPG, it's code and content are licensed under the GPL.[10][11] The game uses OpenGL hardware acceleration by default but can also use SDL graphics.[11]

Mindustry Mindustry.png 2022-11-13 Tower defense, real-time strategy
Mindustry
Mindustry.png
Mindustry
GenreTower defense, real-time strategy
Latest release7.0 build 140.4  (Announcement)
Release dateApril 30th, 2017 (initial)
November 13th, 2022 (latest release)
PlatformsFreeBSD, Linux, Windows, Mac, Android
DeveloperAnuke
Code licenseGPLv3
Media licenseGPLv3
P. languageJava
LibraryArc
Contribute
Mindustry is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
mindustry  
OpenSUSE Logo.svg OpenSUSE: Mindustry 
Flatpak logo.png Flatpak: com.github.Anuken.Mindustry 
Snapcraft-logo.svg Snap: mindustry


Mindustry is an RTS tower defense factory game. It started as a winning entry in 2017 GDL Metal Monstrosity Jam. [12] The game supports LAN and online multiplayer. [13]

UFO: Alien Invasion Ufoai.jpg 2014-06-28 Turn-based, Real-time hybrid strategy
UFO: Alien Invasion
Ufoai.jpg
UFO: Alien Invasion
GenreTurn-based, Real-time hybrid strategy
Latest release2.5
Release dateJune 28th, 2014
PlatformsWindows, Linux, Mac
Code licenseGPL [14]
Media licenseGPL, CC-BY, CC-BY-SA [14]
EngineModified Quake II engine
P. languageC++
LibrarySDL
Contribute
UFO: Alien Invasion is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.


Available as a package in:  
Slackware logo.svg Slackware: ufoai 
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
ufoai-git 
Openlogo-debianV2.svg Debian: ufoai  
Gentoo Linux logo matte.svg Gentoo: games-strategy/ufoai 
UbuntuCoF.svg Ubuntu: ufoai 
OpenSUSE Logo.svg OpenSUSE: ufoai 
Mageia logo small.jpg Mageia: ufoai 
Daemon-phk.svg FreeBSD: ufoai


UFO: Alien Invasion is a hybrid turn-based strategy game and real time strategy game with the objection to defend earth from an alien invasion. The player has to build bases and extend them by building additional buildings, research technologies and develop weapons which are then used to fight the aliens in tactical scenarios.[15]

Unvanquished Unvanquished-perseus mantis.jpg 2023-12-10 FPS, RTS
Unvanquished
Unvanquished-perseus mantis.jpg
Mantis alien on Perseus map
GenreFPS, RTS
Latest release0.54.1  (Announcement)
Release dateDecember 10th, 2023
PlatformsLinux, Windows, Mac
Code licenseGPL
Media licensesvarious licences (MIT, CC-0, CC-By 3.0, CC-By-Sa 3.0) https://wiki.unvanquished.net/wiki/Asset_Licenses
EngineDæmon
Contribute
Unvanquished is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
unvanquished  
OpenSUSE Logo.svg OpenSUSE: unvanquished 
Flatpak logo.png Flatpak: net.unvanquished.Unvanquished


Unvanquished, fork of Tremulous, is a multiplayer first-person shooter licensed under the GPL.

Unvanquished uses the Dæmon engine which is based upon id Tech 3.[16]

Tremulous Tremulous - human base goons.jpg 2006-03-31 FPS
Tremulous
Tremulous - human base goons.jpg
GenreFPS
Latest release1.1
Release dateMarch 31st, 2006
Code licenseGPL
Media licenseCC BY-SA 2.5[17]
Engineioquake3
Contribute
Tremulous is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
tremulous 
Fedora logo.svg Fedora: tremulous  
OpenSUSE Logo.svg OpenSUSE: tremulous 
Mageia logo small.jpg Mageia: tremulous 
Flatpak logo.png Flatpak: com.grangerhub.Tremulous 
Daemon-phk.svg FreeBSD: tremulous

Tremulous is a multiplayer first-person shooter licensed under the GPL. It's media is licensed under the Creative Commons Attribution-ShareAlike license version 2.5.[18] The game is inspired by the Quake II mod Gloom.[19]

Tremulous uses the ioquake3 engine which is based upon id Tech 3. The latest version of Tremulous is 1.1 and was released on March 31th, 2006.[20] Although version 1.2 was highly anticipated and a gameplay preview was released, development has been stale since.[19] The fork Unvanquished is the most current.

Oolite Oolite-debian-2441.png 2020-08-30 Space simulation
Oolite
Oolite-debian-2441.png
Oolite
GenreSpace simulation
Latest release1.90  (Announcement)
Release dateAugust 30th, 2020
PlatformsWindows, Linux, Mac, FreeBSD
DeveloperGiles Williams, Jens Ayton
Code licenseGPLv2+[21]
Media licenseGPLv2+[21]
P. languageObjective-C
Contribute
Oolite is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Slackware logo.svg Slackware: oolite 
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
oolite  
UbuntuCoF.svg Ubuntu: oolite 
Daemon-phk.svg FreeBSD: oolite

Oolite is a space simulation game and clone of Elite.[22] Both the source code and media are licensed under the GPL (version 2 or later).[21] Oolite is programmed in the Objective-C programming language and uses OpenGL. It is available for the Linux, Mac OS X, and Windows operating systems. This game requires 3D hardware acceleration.

Although the base game closely resembles the (some say antiquated) gameplay of the original Elite,[23] the game is highly moddable with a built-in mod manager known as the Expansion Pack Manager.[24] Enemies also have some enhancements which make the base game more difficult than Elite.[25]

Warzone 2100 Wz2100.jpg 2023-11-29 RTS, post-apocalyptic
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Warzone 2100
Wz2100.jpg
Warzone 2100 2.0.7
GenreRTS, post-apocalyptic
Latest release4.4.2  (Announcement)
Release dateNovember 29th, 2023
PlatformsWindows, Linux, Mac, FreeBSD
DeveloperPumpkin Studios, Warzone 2100 Project
Code licenseGPL, other free[26]
Media licenseGPL, other free[26]
P. languageC++
LibraryOpenAL, SDL, PhysicsFS
Contribute
Warzone 2100 is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch:
warzone2100 
Slackware logo.svg Slackware: warzone2100 
Openlogo-debianV2.svg Debian: warzone2100 
Fedora logo.svg Fedora: warzone2100  
Gentoo Linux logo matte.svg Gentoo: games-strategy/warzone2100 
UbuntuCoF.svg Ubuntu: warzone2100 
OpenSUSE Logo.svg OpenSUSE: warzone2100 
Flatpak logo.png Flatpak: net.wz2100.wz2100 
Snapcraft-logo.svg Snap: warzone2100 
Daemon-phk.svg FreeBSD: warzone2100

Warzone 2100 is a real-time strategy game originally written in C as a closed source project by Pumpkin Studios. It was released (excluding the videos) under the GNU General Public License in late 2004 by Eidos Interactive.[27] Now development is in the hands of the Warzone 2100 Project (originally: "Warzone 2100 Resurrection Project"). A version was included on OpenSource Game Power volume 2.

Bos Wars Boswars.jpg 2013-06-16 Real-time strategy
Bos Wars
Boswars.jpg
Screenshot of Bos Wars
GenreReal-time strategy
Latest release2.7  (Announcement)
Release dateJune 16th, 2013
PlatformsWindows, Linux, Haiku
DeveloperBos Wars team
Code licenseGPL
Media licenseGPL
EngineStratagus
P. languageLua, C++
LibrarySDL
Contribute
Bos Wars is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Slackware logo.svg Slackware: boswars 
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch AUR:
boswars 
Openlogo-debianV2.svg Debian: boswars 
Fedora logo.svg Fedora: boswars  
UbuntuCoF.svg Ubuntu: boswars 
OpenSUSE Logo.svg OpenSUSE: boswars 
Mageia logo small.jpg Mageia: boswars 
Haiku (operating system) logo.svg Haiku: games-strategy/boswars

Bos Wars (formerly known as Battle of Survival) is a futuristic real-time strategy game. The player has to develop a war economy in order to combat his enemies. To be successful, the economic needs need to be balanced against building an army. Controlling strategic passages plays an important role.

It used the SDL library. This game does not require 3D hardware acceleration.

Xenowar no image 2012-08-29 Turn-based strategy
Xenowar
Genre Turn-based strategy
Latest release2.10 b840b  (Announcement)
Release dateAugust 29th, 2012
DeveloperLee Thomason
Code licenseGPLv3[28]
Media licenseGPLv3[28]
Contribute
Xenowar is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Xenowar is a turn-based tactical game for Android and Windows, in what may be generally referred to as the genre of X-COM- inspired games. At present it consists only of tactical scenarios ("battlescape" as it is often called in the genre) without an overarching strategic "geoscape"[29] for the player to direct teams to battle on a world map.

Warfork no image 2021-07-26 First-person shooter games
Warfork
GenreFirst-person shooter games
Latest releaseUnnumbered  (Announcement)
Release dateJuly 26th, 2021
PlatformsWindows, Mac, Linux
Code licenseGPLv2[30]
Media licenseCC0, CC-BY-SA[30][31][32]
Engineqfusion
Contribute
Warfork is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Warfork is a fork of Warsow with (optionally) free assets and code. The team used the opportunity to publish to Steam. They also host an FVI Launcher tool only available on Microsoft Windows that grants access to the Warfork Map editor (customized Netradiant) bundled with the Warfork Game Pack, Warfork, and Warfork Testing.

Alter AlterPushTheButton.png 2023-01-09 Puzzle games, Escape room games
Alter
AlterPushTheButton.png
Opening scene of Alter
GenresPuzzle games, Escape room games
Latest release2023-01-09  (Announcement)
Release dateJanuary 9th, 2023
DeveloperYaman Qalieh
Code licenseAGPLv3+[33]
Media licenseCC-BYv3[33]
EngineMinetest
Contribute
Alter is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Alter is a first-person puzzle game for Minetest. It may be considered a spiritual successor to Portal with its style of plain puzzle rooms, strange sci-fi mechanics used to solve the puzzles, parkour elements, and hostile nonhuman narrator controlling the puzzles.

SF Mech Simulator Sfmechsim.png 2023-02-06 FPS

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SF Mech Simulator
Sfmechsim.png
GenreFPS
Latest release1.0.1  (Announcement)
Release dateFebruary 6th, 2023
PlatformsMac, Windows, Linux
DeveloperDroog71
Code licenseGPLv3[34]
Media licensesCC-BY, CC0[35]
P. languageC++
Contribute
SF Mech Simulator is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

SF Mech Simulator is a pseudo-3D first-person mech combat game.[36] Fight other mechs, repair and upgrade between battles.[35]

This page is a stub. Please help Libregamewiki by expanding it.


Hades Revisited HadesRevisited.png 2024-01-26 Sandbox games
Hades Revisited
HadesRevisited.png
GenreSandbox games
Latest release0.15.4  (Announcement)
Release dateJanuary 26th, 2024
Code licenseLGPLv2.1[37]
Media licenseCC-BY-SAv3[37]
EngineMinetest
Contribute
Hades Revisited is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Hades Revisited is a survival sandbox game for Minetest. It takes place on a hellish landscape resulting from a failed terraforming experiment, which the player can try to rectify by seeking out water and growing plants.[37] The game is a fork of Minetest Hades[38]

This page is a stub. Please help Libregamewiki by expanding it.


Naikari Naikari.png 2024-02-12 Space, Shooter
Naikari: Eye of Chaos
Naikari.png
Naikari
GenreSpace, Shooter
Latest release0.12.0  (Announcement)
Release dateFebruary 12th, 2024
DeveloperThe Diligent Circle
Code licenseGPL[39]
Media licenseGenerally CC BY-SA[39]
P. languageC
LibraryOpenGL
Contribute
Naikari: Eye of Chaos is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Naikari: Eye of Chaos is a 2-D freeform space mystery game featuring exploration, trading, and combat mechanics similar to games like Endless Sky and Starsector, and a branching mystery storyline written in a manner inspired by works like Star Control 2 (The Ur-Quan Masters) and The Expanse. You assume control of a space ship and are free to advance through the game however you want.

Naikari started as a fork of the Naev project by a former contributor to the Naev project due to creative differences.[40] Other than this history, the two projects have no affiliation with each other.

Gate Secure Force Gate-Secure-Force.png 2022-02-14 Arcade
Gate Secure Force
Gate-Secure-Force.png
GenresArcade
Latest release20e66974
Release dateFebruary 14, 2022
DevelopersCLion and ViLo
Code licenseGPLv3
Media licenseCC-BY-SA 4.0
EngineGodot 3.3
P. languageGDScript
Contribute
Gate Secure Force is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Gate Secure Force is a game submitted to the February 2022 LibreJam whose theme was "gates". The game is set in an alien starport, and the player has to spot and apprehend wanted criminals before they make it past the loading gate. The Godot project file was released, as well as a playable web version. CLion later developed Push to Kill for the August 2022 jam.

Kernel Panic Kernel Panic 4.9 poster.png 2021-06-25 RTS
Evolution RTS Evolution RTS screenshot.jpg 2022-02-07 RTS
Evolution RTS
Evolution RTS screenshot.jpg
GenreRTS
Latest release17.07  (Announcement)
Release dateFebruary 7th, 2022
PlatformsLinux, Windows
Code licenseGPL
Media licenseCC-BY-SA-4.0
EngineSpring
P. languageLua
Contribute
Evolution RTS is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Evolution RTS is a free and Open Source RTS game designed using the Spring engine. The economy part and tech tree are simplified to focus on combat. It features physics simulation, AI targeting decisions, orders via the mini-map and a customizable GUI. It aims at players from several skill levels. After being greenlit it was published on Steam.[41] After harsh user reviews it was unpublished on Steam, but continues to be distributed on itch and via standalone download.[42]

Tesseract Tesseract FPS.jpg 2014-05-12 First‐person shooter
Tesseract
Tesseract FPS.jpg
GenreFirst‐person shooter
Latest release2014-05-12
Release date2014-05-12
DeveloperLee Salzmann[43]
Code licensezlib
P. language C++
LibraryOpenGL
Contribute
Tesseract is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
OpenSUSE Logo.svg OpenSUSE: tesseract

Tesseract is a fork of the Sauerbraten engine. It adds dynamic rendering techniques based on deferred shading and shadowmapping.[44]

It provides a bunch of new rendering features such as:

  • deferred shading
  • omnidirectional point lights using cubemap shadowmaps
  • perspective projection spotlight shadowmaps
  • orthographic projection sunlight using cascaded shadowmaps
  • HDR rendering with tonemapping and bloom
  • real-time diffuse global illumination for sunlight (radiance hints)
  • volumetric lighting
  • transparent shadows
  • screen-space ambient occlusion
  • screen-space reflections and refractions for water and glass (use as many water planes as you want now!)
  • screen-space refractive alpha cubes
  • deferred MSAA, subpixel morphological anti-aliasing (SMAA 1x, T2x, S2x, and 4x), FXAA, and temporal AA
  • runs on both OpenGL Core (3.0+) and legacy (2.0+) contexts
Astroseries Astroseries screenshot.png 2022-01-09 RTS

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Astroseries
Astroseries screenshot.png
GenreRTS
Latest release1.31b  (Announcement)
Release date2022-01-09
PlatformsWindows
DeveloperAlvaro F. Perez
Code licenseGPLv2
EngineStratagus
Contribute
Astroseries is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Astroseries is a real-time strategy game using the Stratagus engine set in the space age. The two playable sides are humans (Imperial Union) vs. aliens (Nagoran Empire) having large tech techs and many unique heroe and neutral units.[45] A fixed up version with proprietary remains completely removed exists.[46] A version was included on OpenSource Game Power volume 2.

OpenArena OpenArena-Rocket.jpg 2012-02-20 FPS
OpenArena
OpenArena-Rocket.jpg
GenreFPS
Latest release0.8.8  (Announcement)
Release dateFebruary 20th, 2012
DeveloperOpenArena team
Code licenseGPL version 2.0
Media licenseGPL version 2.0[47]
Engineioquake3
P. languageC
Contribute
OpenArena is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Slackware logo.svg Slackware: openarena 
Openlogo-debianV2.svg Debian: openarena 
Fedora logo.svg Fedora: openarena  
UbuntuCoF.svg Ubuntu: openarena 
OpenSUSE Logo.svg OpenSUSE: openarena 
Mageia logo small.jpg Mageia: openarena 
Flatpak logo.png Flatpak: ws.openarena.OpenArena 
Daemon-phk.svg FreeBSD: openarena


OpenArena is a FPS game intended to be a free replacement for the proprietary Quake III Arena. Both the media and the game are licensed under the GPLv2.[48][49]. The OpenArena project was established on August 19, 2005, the day after the id Tech 3 GPL source code release. A "mission pack" add-on is also planned, to take advantage of the GPL released Quake III: Team Arena source code.

Space Nerds In Space no image 2022-12-09 Space Simulation
Space Nerds In Space
Genre Space Simulation
Latest releaserolling  (Announcement)
Release dateDecember 9th, 2022
DeveloperStephen M Cameron
Code licenseGPLv2[50][51][52]
Media licenseCC-BY-SA[53][54]
P. languageC
Libraries SDL, GLEW
Contribute
Space Nerds In Space is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Space Nerds In Space is a space simulation inspired by Artemis Spaceship Bridge Simulator.[55] The game is multiplayer, with players managing different parts of a space ship and is intended[56] to be played in the same room, although one player can also control the different areas.

SNIS ships look and function broadly similar to those of Star Trek. Warp gates allow travel between planetary systems.[56]


Space Nerds In Space differs from both EmptyEpsilon and Artemis Spaceship Bridge by having a 3D star chart/map rather then playing on a 2D plane. [57] Also Space Nerds In Space seems to invest huge amounts of time into 3D rendered models, creating amazing graphics. (Gameplay video showing this is available on youtube) [57]

This page is a stub. Please help Libregamewiki by expanding it.


FreeOrion FreeOrion-0.4.5-screenshot.png 2023-04-02 TBS
FreeOrion
FreeOrion-0.4.5-screenshot.png
Galaxy view
GenreTBS
Latest release0.5  (Announcement)
Release dateApril 2nd, 2023
PlatformsLinux, Windows, Mac, FreeBSD
Code licenseGPL v2
Media licenseCC BY-SA 3.0
P. languageC++, Python
LibrarySDL, OpenAL, Boost, GiGi, FreeType2
Contribute
FreeOrion is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

FreeOrion is a turn-based strategy game of galactic conquest inspired by the Master of Orion games. As is typical for 4X games, players have to explore their surroundings, colonize new planets, manage their economies, research spectacular technologies, build up military might and conquer their neighbors, and ultimately, the entire galaxy. Features specific to FreeOrion are the diverse fantastical species and peculiar history of the game galaxy, the design of new ships with a multitude of hulls and ship parts available after research, and the possibility of technological victory after researching transcendence.

There is an impressive in-game encyclopaedia and most things can be looked up by clicking hyperlinks in messages or through right-click menus. The encyclopaedia includes both generic FreeOrion help and backstory as well as current game info such as for example what the target population of a particular planet would be if you were to colonize it with each of the species in your empire.

The game's source code is licensed under the GPL v2 and its media under the Creative Commons Attribution-ShareAlike 3.0 license.[58][59]


Xonotic Xonotic.jpg 2023-06-20 First‐person shooter Online Multiplayer
Xonotic
Xonotic.jpg
GenreFirst‐person shooter Online Multiplayer
Latest release0.8.6  (Announcement)
Release dateJune 20th, 2023
DevelopersTeam Xonotic
Code licenseGPLv3
Media licenseGPLv3[60]
EngineDarkplaces
P. languagesQuakeC, C
LibrariesOpenGL, SDL, LibOGG, LibTheora, LibVorbis
Contribute
Xonotic is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.
Available as a package in:  
Error creating thumbnail: /bin/bash: line 1: convert: command not found
Arch:
xonotic  
OpenSUSE Logo.svg OpenSUSE: xonotic 
Flatpak logo.png Flatpak: org.xonotic.Xonotic


Xonotic is an first-person arena shooter, forked from Nexuiz. The game runs on the Darkplaces engine, based on Quake 1's engine. Gameplay is also based on Quake (mainly the competitive Quake III Arena), but Xonotic adds some unique touches (for example, the rockets fired from a rocket launcher can be guided with mouse). The gameplay is very fast-paced, and includes and encourages a form of bunny hopping as well as rocket jumping (in Xonotic "laser jumping" is more common). The art is mostly futuristic, but unofficial maps exist in a variety of styles.

There are 16 different game modes (including the classics: deathmatch, team deathmatch and capture the flag, but including uncommon ones such as a type of football[61]), 16 weapons with secondary fires, 18 official maps (and a lot of unofficial maps), and a complex HUD editor that lets you tailor the HUD to your exact preference. There are also so called mutators, that allow to slightly modify rules of each game mode.

Xonotic features integrated player statistics. The XonStat system tracks a bunch of stats, including win/loss ratio, frag ratio and average accuracy[62].

Adventures on Planet Zephulor Zephulor.png 2006-01-17 Side-scrolling platform shooter
Adventures on Planet Zephulor
Zephulor.png
GenresSide-scrolling platform shooter
Latest releaseStable
Release dateJanuary 17, 2006
PlatformsLinux, Windows
DevelopersAaron Hachez, Andrew A. Meier
Code licenseGPL 2-or-later
Media licenseGPL 2-or-later
P. languagePython
LibraryPygame
Contribute
Adventures on Planet Zephulor is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Adventures on Planet Zephulor is a side-scrolling platform shooter with a science fiction setting. Taking on the role of a stranded astronaut on a distant planet, the player has to fight through the alien environs to make it to a ship to get off world. There are no lives and upon death the player simply restarts the level, although quicksaves are provided. The game features fifteen levels in two distinct regions and five different enemy types. The artwork was initially under the non-free Creative Commons Attribution-NonCommercial-ShareAlike 2.0, but was later all released under the GNU GPL 2-or-later. The game was included on the LinuxCenter Game Collection from 2004.

Rock Dodger Rock-Dodger.png 2020-07-24 Arcade
Rock Dodger
Rock-Dodger.png
GenresArcade
Latest release1.1.4
Release dateJuly 24, 2020
DevelopersPaul Holt, Robert Krawczyk
Code licenseGNU GPL v2
Media licenseGNU GPL v2
P. languageC
LibrariesSDL
Contribute
Rock Dodger is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Rock Dodger (also known as Space Rocks) is an arcade game inspired by the classic Asteroids, but instead of shooting the rocks the player must instead doge them. It was later remixed as Variations on Rock Dodger.

Variations on Rock Dodger VoR.png 2020-04-17 Arcade
Variations on Rock Dodger
VoR.png
GenresArcade
Latest release0.5.8
Release dateApril 17, 2020
DevelopersJason Woofenden, Josh Grams
Code licenseGNU GPL v2
Media licenseGNU GPL v2
P. languageC
LibrariesSDL
Contribute
Variations on Rock Dodger is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Variations on Rock Dodger is an arcade game remixed from the earlier Rock Dodger.

Open Realm of Stars ORoS 0.24.0Beta - star map.png 2023-12-08 2D Java 4X sci-fi space strategy game
Open Realm of Stars
ORoS 0.24.0Beta - star map.png
Star map in ORoS 0.24.0Beta
Genres2D Java 4X sci-fi space strategy game
Latest release0.25.0  (Announcement)
Release dateDecember 8th, 2023
DeveloperTuomo Untinen and others[63]
Code licenseGPLv2[64][65]
Media licensesCC BY-SA 3.0 and others[63][65]
P. languageJava
Contribute
Open Realm of Stars is a free game. This means that the source code is available to be studied, modified, and distributed. Most projects look for help with testing, documentation, graphics, etc., as well.

Open Realm of Stars is a 2D Java 4X ("4X" means "Explore, Expand, Exploit, Exterminate") sci-fi space strategy game.



  1. LICENSE
  2. OpenHV - Free RTS Based on C&C Red Alert Gets New Version
  3. A cancelled old RTS named 'Hard Vacuum' gets revived with OpenRA
  4. OpenHV, a free and open source RTS based on the unreleased Hard Vacuum has a stable build
  5. FOSS strategy game OpenHV gets a release two years in the making
  6. copyright for redeclipse on Debian
  7. copyright for redeclipse-data on Debian
  8. License details from the Red Eclipse wiki
  9. 10.0 10.1 10.2 Freeroid RPG's copyright file at Debian Packages
  10. 11.0 11.1 11.2 11.3 The README at the project's Codeberg page
  11. http://mindustry.wikia.com/wiki/Mindustry_Wiki:About
  12. https://anuke.itch.io/mindustry
  13. 14.0 14.1 license
  14. Linux Journal article
  15. https://unvanquished.net/10-years-and-unvanquished/
  16. https://github.com/darklegion/tremulous/blob/master/COPYING
  17. Tremulous' COPYING file - from its svn tree
  18. 19.0 19.1 https://unvanquished.net/10-years-and-unvanquished/
  19. Tremulous download page at SourceForge.net
  20. 21.0 21.1 21.2 Oolite's copyright file at Debian Packages
  21. http://aegidian.org/bb/viewtopic.php?f=2&t=21096
  22. Arquebus X's unmodded Let's Play series debrief episode
  23. http://wiki.alioth.net/index.php/OXP
  24. https://aegidian.org/bb/viewtopic.php?p=254596#p254596
  25. 26.0 26.1 Mostly GPL, some BSD, CC BY-SA, CC0 [1], [2]
  26. Warzone 2100 History page
  27. 28.0 28.1 Free Software according to the readme and the included GPL license file. No separate license was found for any of the media.
  28. https://github.com/leethomason/unflobtactical/wiki/HowToPlay
  29. 30.0 30.1 https://github.com/TeamForbiddenLLC/warfork-qfusion/blob/master/LICENSE.txt
  30. While the Steam version uses non-Free assets, it is possible to use the Free sound repository instead.
  31. https://github.com/TeamForbiddenLLC/warfork-free-textures
  32. 33.0 33.1 https://content.minetest.net/packages/yaman/alter/
  33. LICENSE file in repository.
  34. 35.0 35.1 https://droog71.itch.io/sf-mech-simulator
  35. https://www.youtube.com/watch?v=agS5_7OrFtg
  36. 37.0 37.1 37.2 https://content.minetest.net/packages/Wuzzy/hades_revisited/
  37. See README.md.
  38. 39.0 39.1 https://github.com/naikari/naikari/blob/main/LICENSE
  39. https://github.com/naikari/naikari/wiki/FAQ
  40. Evolution RTS Game Will Be Released For Free On Steam For Linux
  41. Evolution RTS is leaving Steam
  42. http://sauerbraten.org/lee/
  43. http://tesseract.gg/README
  44. https://www.vogons.org/viewtopic.php?p=1044598
  45. https://github.com/SenhorFlibble/Astroseries
  46. https://metadata.ftp-master.debian.org/changelogs/main/o/openarena-085-data/openarena-085-data_0.8.5split-9_copyright
  47. Openarea's copyright file at Debian packages
  48. Openarena-data's copyright file at Debian packages
  49. https://github.com/smcameron/space-nerds-in-space/blob/master/CONTRIBUTING.md
  50. https://github.com/smcameron/space-nerds-in-space/blob/master/COPYING
  51. https://github.com/smcameron/space-nerds-in-space/blob/master/AUTHORS
  52. https://smcameron.github.io/space-nerds-in-space/#misctopics
  53. https://github.com/smcameron/space-nerds-in-space/blob/master/CC-BY-SA.txt
  54. https://smcameron.github.io/space-nerds-in-space/
  55. 56.0 56.1 https://github.com/smcameron/space-nerds-in-space/blob/master/README.md
  56. 57.0 57.1 https://www.youtube.com/watch?v=OexArz3oNTk
  57. License page in FreeOrion's wiki
  58. Debian's FreeOrion copyright file
  59. https://gitlab.com/xonotic/xonotic/blob/master/COPYING#L10
  60. http://xonotic.wikia.com/wiki/Game_Types
  61. Xonotic features.
  62. 63.0 63.1 AUTHORS.md acc. 2023-08-03
  63. LICENSE acc. 2023-08-03
  64. 65.0 65.1 ORoS Wiki acc. 2023-08-03