Side-scrolling games

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Sidescroller.png

In a side scrolling game the character is seen from the side, usually walking from the start at the left to the end on the right side.

List of Side-scrolling games[edit]

This is a list of free/libre side-scrolling games:



Game Screenshot Last Release Genres Description
SuperTux Supertux030.jpg 2021-12-23 Platform game
SuperTux
Supertux030.jpg
SuperTux v0.6.0
GenresPlatform game
Latest release0.6.3  (Announcement)
Release dateDecember 23rd, 2021
DevelopersBill Kendrick, Ingo Ruhnke, others
Code licenseGPLv3[1]
Media licenseGPL[2], CC BY-SA[3]
P. languageC++
LibrarySDL
Contribute
SuperTux 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:  
Archlinux-icon-crystal-64.svg Arch: supertux

 

Slackware logo.svg Slackware: supertux 
Openlogo-debianV2.svg Debian: supertux 
Fedora logo.svg Fedora: supertux  
Gentoo Linux logo matte.svg Gentoo: games-arcade/supertux 
UbuntuCoF.svg Ubuntu: supertux 
OpenSUSE Logo.svg OpenSUSE: supertux 
Mageia logo small.jpg Mageia: supertux 
Flatpak logo.png Flatpak: org.supertuxproject.SuperTux 
Snapcraft-logo.svg Snap: supertux 
24px FreeBSD: supertux 
24px Haiku: games-arcade/supertux

SuperTux is a 2D side-scrolling platform game featuring Tux the Linux penguin mascot, inspired by the Super Mario series.[4] It is programmed in C++.

SuperTux was originally created by Bill Kendrick. Ingo Ruhnke created many of the levels.

It is licensed under the GPLv3.[1]

TunnelWars TunnelWars.jpg 1998-09-09
Side-scrolling games
TunnelWars.jpg
Genre
Latest release1.0
Release dateSeptember 9th, 1998
DeveloperGreg Ratajik
Code licenseGPL
P. languageC
Contribute
Side-scrolling games 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.

TunnelWars is a 2D side scrolling parallax game written in C by Greg Ratajik. The latest release is on September 9, 1998, and is released under GNU General Public License.[5][6] It was written for the OS/2 operating system.

BuggyGame Buggygame.jpg March 28th, 2007 Side-scrolling games
buggyGame
Buggygame.jpg
Screenshot of buggyGame
GenresSide-scrolling games
Latest release0.3
Release dateMarch 28th, 2007
DeveloperChris Hopp
Code licenseGPL v2[7]
Media licenseFree Art License[7]
P. languagePython
LibraryPygame
Contribute
buggyGame 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.

buggyGame is a single-player side-scrolling survival-exploration game where a moon buggy is driven across the surface of Earth and Moon. Written by Chris Hopp during the Ludum Dare competition the game uses the Python programming language and the Pygame library.

The story goes that the player is an astronaut about to explore the moon, but his/her buggy just bluescreened (apparently, it was written using the Evil Empire's code). The player must now manually navigate his/her frail buggy to his/her rocket to win.

The code is licensed under the GPL v2 while the media is licensed under the Free Art License.[7]

Moon-buggy Moon-buggy.png 2004-12-27 (st.), 2006-03-19 (ex.) Side-scrolling game
Side-scrolling games
Moon-buggy.png
GenreSide-scrolling game
Latest release1.0 (stable), 1.0.51 (experimental)
Release date2004-12-27 (st.), 2006-03-19 (ex.)
DeveloperJochen Voss
Code licenseGPLv2
Contribute
Side-scrolling games 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.

Moon-buggy is a character-based game where you drive a car across the moon surface. You cannot stop, so you have to jump in time over any craters your car might meet.

Battery Screen9 30.png Side scroller
Battery
Screen9 30.png
GenreSide scroller
DeveloperMaxim Markaitis
P. languagesJava
Contribute
Battery 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.

Battery is a browser based top-down scrolling game written by Maxim Markaitis in the Java programming language.

XBlast Xblast.jpg June 16th, 2006 Multiplayer,Side-scroller,Arcade
XBlast
Xblast.jpg
GenresMultiplayer,Side-scroller,Arcade
Latest release2.10.4
Release dateJune 16th, 2006
DevelopersXBlast development team
Code licenseGPL
P. languageC
LibrariesX11
Contribute
XBlast 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.

XBlast is a multiplayer only side-scroller, arcade bomberman like game. The latest version of the game is 2.10.4 on June 16th, 2006.[8] It is written in the C programming language.[9] It is licensed under GPLv2.[10]

Trip on the Funny Boat Trip-on-the-Funny-Boat.jpg March 27, 2007 side-scrolling arcade shooter
Trip on the Funny Boat
Trip-on-the-Funny-Boat.jpg
Genresside-scrolling arcade shooter
Latest release1.5
Release dateMarch 27, 2007
DevelopersPuskutraktori (code, graphics and sound effects by Pekka "pekuja" Kujansuu, graphics and code by Olli "Hectigo" Etuaho, music by Joona "JDruid" Karjalainen); Konstantin Yegupov; uses fonts by Bitstream Inc.
Code licensesGPLv2+; the PixelPerfect library is public domain
Media licenseExpat license
P. languagePython.
LibraryPixelPerfect
Contribute
Trip on the Funny Boat 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.

Trip on the Funny Boat is a side-scrolling arcade shooter game made by the team Puskutraktori. It is written in Python. It was made for PyWeek 2 competition.

Osgg Osgg.jpg January 01 st, 2009 Arcade
Osgg
Osgg.jpg
GenresArcade
Latest release0.9
Release dateJanuary 01 st, 2009
DeveloperJimmy Christensen
Code licenseGPL
Media licenseGPL
P. languageC++
LibrariesSDL, OpenGL
Contribute
Osgg 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.

osgg is a Side-scroller/arcade lunar-lander-like game. It is written by Jimmy Christensen and licensed under the GPLv3.[11][12] The latest version of the game is 0.9 released on January 01st, 2009. It is written in the C++ programming language using the SDL library.

SDL-Ball SDL-Ball.jpg October 1st, 2014 arcade
SDL-Ball
SDL-Ball.jpg
Genresarcade
Latest release1.02
Release dateOctober 1st, 2014
DeveloperJimmy Christensen
Code licenseGPL
Media licenseGPL
P. languageC++
LibrariesSDL, OpenGL
Contribute
SDL-Ball 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.

SDL-Ball is an arcade breakout-like game. It is written by Jimmy Christensen and licensed under the GPLv3.[13][14] The latest version of the game is 1.01 released on January 11th, 2009.[15] It is written in the C++ programming language using the SDL library.

Word War vi Wordwarvi snap 007 3.jpg 2021-02-01 Side-scrolling, Arcade
Side-scrolling games
Wordwarvi snap 007 3.jpg
GenresSide-scrolling, Arcade
Latest release1.0.4  (Announcement)
Release dateFebruary 1st, 2021
DeveloperStephen M Cameron
Code licenseGPL
Media licenseCreative Commons Attribution
P. languageC
LibraryGTK
Contribute
Side-scrolling games 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.

Word War vi is a 2D side-scrolling arcade game in which the player pilots a vi spacecraft to get rid of the memory hogging emacs. It was written by Stephen M Cameron in the C programming language.[16][17]The sound media are all licensed under the Creative Commons Attribution license.[18] The rest of the game is licensed under the GPLv2.[19] The latest version of the game is 0.26 released on August 9th, 2009.[20] The game represents a video game interpretation of the lighthearted editor war, an important element of hacker culture.

X-Moto X-Moto 0.2.7.jpg 2020-06-20 Side-scroller
X-moto
X-Moto 0.2.7.jpg
GenreSide-scroller
Latest release0.6.1  (Announcement)
Release dateJune 20th, 2020
PlatformsWindows, Linux, FreeBSD, Haiku
DevelopersRasmus Neckelmann, Nicolas Adenis-Lamarre, Emmanuel Gorse, Jens Erler, others
Code licenseGPLv2
Media licenseGPLv2
Contribute
X-moto 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: xmoto 
Archlinux-icon-crystal-64.svg Arch AUR: xmoto 
Openlogo-debianV2.svg Debian: xmoto 
Fedora logo.svg Fedora: xmoto  
Gentoo Linux logo matte.svg Gentoo: games-sports/xmoto 
UbuntuCoF.svg Ubuntu: xmoto 
OpenSUSE Logo.svg OpenSUSE: xmoto 
Flatpak logo.png Flatpak: org.tuxfamily.XMoto 
24px Haiku: games-sports/xmoto

X-Moto is a clone of the motorcycle simulation game Elastomania which in turn was a clone of the commercial DOS game Action SuperCross. Both the code and media are licensed under the GPLv2.[21][22] The latest version of the game is 0.6.1 released in June 2020.[23]

Bloboats Bloboats.png November 23rd, 2010 Racing
Bloboats
Bloboats.png
Screenshot of Bloboats
GenreRacing
Latest release1.0.2
Release dateNovember 23rd, 2010
Code licenseGPL[24]
Media licensesData: GPL[24] Sounds: Creative Commons Sampling Plus License[25][26]
Contribute
Bloboats 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.

Bloboats is a side-scrolling arcade racing game. The game is similar to X-Moto, but the player controls a jet boat instead of a motorcycle.

The Secret Chronicles of Dr. M. The secret chronicles sc1.png 2020-05-18 Platform game
The Secret Chronicles of Dr. M.
The secret chronicles sc1.png
The Secret Chronicles of Dr. M.
GenrePlatform game
Latest release2.1.0  (Announcement)
Release dateMay 18th, 2020
Code licenseGPL v3[7]
Media licenseGPL v3[7]
P. languageC++
LibrarySDL
Contribute
The Secret Chronicles of Dr. M. 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.

The Secret Chronicles of Dr. M. (TSC) is a fork of Secret Maryo Chronicles, developed since the latter ceased development.[27]

ReTux Retux.png 2021-11-02 Platformer
reTux
Retux.png
reTux
GenrePlatformer
Latest release1.6.1  (Announcement)
Release dateNovember 2nd, 2021
DeveloperThe Diligent Circle
Code licenseGPL[7]
Media licensevarious (all libre)[28]
P. languagePython
LibrarySeclusion Game Engine
Contribute
reTux 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:  
Archlinux-icon-crystal-64.svg Arch AUR: retux-bin

ReTux (stylized as "reTux" in-game) is a libre 2-D platformer written in Python and utilizing media from SuperTux.

Although ReTux re-uses the art assets of SuperTux, no code from SuperTux is used in ReTux. The software portion of ReTux is entirely new, written in Python and based on the Seclusion Game Engine.

The main game contains 41 levels split into 5 worldmaps. Each level also has a Tux doll which can be found for bonus points and 100% completion.

It was previously distributed commercially, but released to the public at no charge in April 2017.[29]

Apricots Apricots.png August 13th, 2003 Arcade, Side-scroller
Apricots
Apricots.png
GenresArcade, Side-scroller
Latest release0.2.6
Release dateAugust 13th, 2003
DevelopersMark Snellgrove, Mark Harman
Code licenseGPLv2
Media licenseGPL
P. languageC++
LibrarySDL
Contribute
Apricots 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.

Apricots is a 2D arcade side-scroller game in which you fly an airplane, fire missiles, drop bombs, destroy enemy buildings and planes, trying to stay alive.

The latest version of the game was 0.2.6 released on August 13th, 2003.


Galaxy Forces V2 Galaxy Forces V2 screenshot.jpg 2015-02-13 Side-scrolling games
Galaxy Forces V2
Galaxy Forces V2 screenshot.jpg
GenreSide-scrolling games
Latest release1.85  (Announcement)
Release dateFebruary 13th, 2015
Code licensePublic domain
Media licensePublic domain
Contribute
Galaxy Forces V2 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.

Galaxy Forces V2 is a 2D space shooter game with both single and multiplayer game modes. Each player is in control of a ship. The game can both be downloaded and run as a standalone application or run in the web-browser without any need to download or install anything.

Ninjapix Ninjapix.png June 14th, 2008 Side-scrolling games
Side-scrolling games
Ninjapix.png
Ninjapix
GenreSide-scrolling games
Release dateJune 14th, 2008
DevelopersPyMike
Code licenseLGPL[1]
Media licenseLGPL[1]
P. languagePython
Contribute
Side-scrolling games 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.

Ninjapix is a 2D short side-scrolling game with pixel art style graphics. It was written by PyMike in the Python programming language for the second PyDay competition. The game was released on June 14th, 2008. Both the source code and the media are licensed under the LGPL.[1]

Secret Maryo Chronicles Secret Maryo Chronicles 1.9.png 2009-08-17 Platform game
Featured Article
This article has reached Featured Article status, which means that it has been recognized as one of the best articles on Libregamewiki.
Side-scrolling games
Secret Maryo Chronicles 1.9.png
GenrePlatform game
Latest release1.9
Release dateAugust 17th, 2009
Code licenseGPL v3
Media licenseGPL v3
P. languageC++
LibrarySDL
Contribute
Side-scrolling games 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:  
Archlinux-icon-crystal-64.svg Arch AUR: smc

Secret Maryo Chronicles (SMC) is a 2D platform game with a style designed to be similar to classic side-scrolling games. It uses the platform independent library SDL and, since version 0.98, the OpenGL accelerated Graphics Renderer.[30] The game is developed in C++ and is licensed under the GPLv3.[31] As of 2009-11-27, the latest version of SMC is 1.9 released on August 17th, 2009.

Gilbert and the doors Gilbert and the doors.png 2021-04-11 Side-scrolling games
Gilbert and the doors
Gilbert and the doors.png
Gilbert and the doors
GenreSide-scrolling games
Latest release2.2.4
Release date2021-04-11
DeveloperElectro L.I.B
Code licenseGPLv3
Media licenseGPLv3
P. languageC
LibrarySDL
Contribute
Gilbert and the doors 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.

Gilbert and the doors is a 2D platform game, written in C language/SDL1.2. This is simple, but nice to play. The game contains 22 levels with an evolutive difficulty. Source code ready for Windows and Linux platforms.

Ardentryst Ardentryst.png 2009-05-06 RPG, Side-scroller
Side-scrolling games
Ardentryst.png
GenreRPG, Side-scroller
Latest release1.71
Release date2009-05-06
DeveloperElle Trudgett
Code licenseGPLv3
Media licenseCreative Commons 2.5 Attribution 2.5 Australia License
P. languagePython ("preferrably 2.4+")
LibraryPygame
Contribute
Side-scrolling games 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.

Ardentryst is an RPG and side-scroller written by Elle Trudgett. As of 2009-09-19, the latest version of the game is 1.71 released on May 6th, 2009. It was written in the Python programming language and uses the Pygame library.

The source code is licensed under the GPLv3 while the media is licensed under the Creative Commons 2.5 Attribution 2.5 Australia License.[32]

FLTrator Fltrator21.png 2016-06-25 Arcade, Side-scroller
FLTrator
Fltrator21.png
Screenshot of first level
GenresArcade, Side-scroller
Latest release2.3  (Announcement)
Release dateJune 25th, 2016
Code licenseGPL
Media licensePD / CC BY 3.0
P. languageC++
LibraryFLTK
Contribute
FLTrator 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.

FLTrator is a simple retro style arcade side-scroller game in which you steer a spaceship through a landscape with hostile rockets and other obstacles. It has ten different levels and a level editor to create new levels or modify the existing.

It is written in C++, uses the FLTK library and has no other dependencies.

SDL Sopwith SDL Sopwith 1.7.1 shooting.png 2014-11-17 Arcade, Side-scroller
SDL Sopwith
SDL Sopwith 1.7.1 shooting.png
Single-player mode
GenresArcade, Side-scroller
Latest release1.8.4  (Announcement)
Release dateNovember 17th, 2014
DevelopersSimon Howard; original: David Clark
Code licenseGPL
LibrarySDL
Contribute
SDL Sopwith 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.

SDL Sopwith is a port of the old 2D airplane dogfighting game by David Clark, “Sopwith”, to use the SDL. It is being developed by Simon Howard, and is released under GPLv2, like the original. The latest version of the game is 1.7.1 on May 8th, 2003.

Hexoshi Hexoshi.png 2018-02-26 Side-scrolling Action-Adventure
Hexoshi
Hexoshi.png
Hexoshi
GenreSide-scrolling Action-Adventure
Latest release0.2  (Announcement)
Release dateFebruary 26th, 2018
DeveloperThe Diligent Circle
Code licenseGPL
Media licensevarious (all libre)
P. languagePython
LibrarySeclusion Game Engine
Contribute
Hexoshi 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.

Hexoshi is an action-adventure maze game similar in style to the original Metroid series. The game consists of exploring the world and gathering "artifacts" scattered around, fighting enemies along the way.

Dave Gnukem DaveGnukem.png 2020-04-26 Side-scrolling, Platform game
Dave Gnukem
DaveGnukem.png
Dave Gnukem
GenreSide-scrolling, Platform game
Latest release1.0.1  (Announcement)
Release dateApril, 26, 2020
DeveloperDavid Joffe[33]
Code licenseGPLv2, MIT
Media licenseCC-BY, CC0[34]
P. languageC++
LibrarySDL
Contribute
Dave Gnukem 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.

Dave Gnukem is a 2D retro-style platformer shooter inspired by a famous proprietary game Duke Nukem 1.[35]

L'Abbaye des Morts Abbaye.png 2016-09-23 Side-scrolling Adventure
L'Abbaye des Morts
Abbaye.png
L'Abbaye des Morts
GenreSide-scrolling Adventure
Latest release2.0.1  (Announcement)
Release dateSeptember 23, 2016
DeveloperLocomalito
Code licenseGPLv3
Media licenseCC-BY[36]
P. languageC
LibrarySDL
Contribute
L'Abbaye des Morts 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.

L'Abbaye des Morts is a 2D exploration platformer made by Locomalito, released in 2010. Its code was rewritten and open sourced by MoonWatcher, spawning ports to many platforms such as GNU/Linux, FreeBSD, Wii, ZX Spectrum, C64, PSP, XBox, Nintendo 3DS and Pokitto.[37][38] Because the media is released under CC-BY license, the game is completely libre.

The game features two sets of graphics to choose from – an oldschool, low color one, and a new, high-color refined set.[39]

FRaBs Abuse.png 2000-12-10 Side-scrolling Action-Adventure
fRaBs
Abuse.png
fRaBs
GenreSide-scrolling Action-Adventure
Latest release2.1[40]  (Announcement)
Release dateDecember 10th, 2000
Code licensepublic domain
Media licensepublic domain[40]
Contribute
fRaBs 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.

fRaBs, short for Free Abuse, is a liberated version of a 1995 shareware game Abuse.[40] Abuse was mostly released into public domain, with the exception of music, sounds effects and data exclusive to the commercial (registered) version, which included all levels above 4.[41][42] To fill in the missing pieces, fRaBs project was started.

Infinite Tux InfiniteTux.png 2019-02-26 Platform game
Infinite Tux
InfiniteTux.png
GenresPlatform game
Latest release1.1sfx  (Announcement)
Release dateFebruary 26, 2019
Code licenseGPLv3
Media licenseGPLv3[43]
P. languageJava
Contribute
Infinite Tux 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.

Infinite Tux is a 2D platformer game inspired by Infinite Mario. The game is procedurally generated every time it is replayed so you always play a different game.

All of the original Nintendo assets have been replaced with free and open assets.

Clonepoint Clonepoint.png Side-scrolling stealth
Clonepoint
Clonepoint.png
GenresSide-scrolling stealth
Code licenseGPLv3
Media licenseCC0, CC-BY [44]
Contribute
Clonepoint 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.

Clonepoint is a clone of a proprietary game Gunpoint.[45] It is a stealth game where the player has to climb buildings, avoid guards and hack computers.

XEvil XEvil-Linux.png 2000-7-26 Side-scrolling game
XEvil
XEvil-Linux.png
XEvil
GenreSide-scrolling game
Latest release2.02
Release dateJuly 26, 2000
DeveloperSteve Hardt (Unix), Michael Judge (Windows)
Code licenseGNU General Public License v2 or later
Media licenseGNU General Public License v2 or later
P. languageC++
LibraryX11 (Unix), DirectX (Windows)
Contribute
XEvil 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.

XEvil is a free software platform arena game first released by Steve Hardt at M.I.T on July 26, 1994 over the Project Athena network. Structured as a free-for-all deathmatch between a wide variety of characters with differing traits and abilities, players are pitted against each other or computer controlled bots. Described as "one of the most graphically violent games ever made", the game's website features a tongue-in-cheek disclaimer over its potential offensiveness; the premise has players compete for their rank in hell. Originally developed for Unix systems using the X Windows System, it was later ported to Microsoft Windows systems using DirectX featuring sounds and music. Both versions were released under the GNU General Public License version 2 or later on January 18, 2000.



  1. 1.0 1.1 1.2 1.3 1.4 SuperTux copyright file Invalid <ref> tag; name "license" defined multiple times with different content
  2. https://github.com/SuperTux/supertux/wiki/Contributing#licenses
  3. https://github.com/SuperTux/supertux/wiki/Contributing#licenses
  4. https://www.supertux.org
  5. TunnelWars homepage accessed on October 13th, 2009.
  6. Copyright info for TunnelWars
  7. 7.0 7.1 7.2 7.3 7.4 7.5 buggyGame licensing Invalid <ref> tag; name "lic" defined multiple times with different content Invalid <ref> tag; name "lic" defined multiple times with different content
  8. Sourceforge.net download page for the XBlast project
  9. XBlast Sourceforge.net page
  10. CVS repoistory's copying page
  11. License is mentioned in the README in osgg's sourceforge.net svn repoistory accessed on Feburary 19th, 2009.
  12. Membership list for SDL-ball project on sourceforge.net accessed on October 9th, 2009.
  13. License page in SDL-Ball's sourceforge.net cvs repoistory accessed on October 9th, 2008.
  14. Membership list for SDL-ball project on sourceforge.net accessed on October 9th, 2008.
  15. News post on 1.0 accessed on October 9th, 2008.
  16. Sourceforge.net project member list for Word War vi
  17. Word War vi's sourceforge.net project page
  18. Word War vi copyright file for sounds
  19. COPYING file for Word War vi
  20. Sourceforge.net's download page for Word War vi
  21. X-moto's copyright file at Debian Packages
  22. X-moto data's copyright file at Debian Packages
  23. Changelog
  24. 24.0 24.1 Project Page
  25. http://bloboats.blobtrox.net/authors.php
  26. http://www.freesound.org/whatIsFreesound.php
  27. README.md from Secret Maryo Chronicles
  28. https://github.com/retux-game/retux/blob/main/data/LICENSES
  29. https://savannah.nongnu.org/forum/forum.php?forum_id=8835
  30. Secret Maryo Chronicles- New 0.98
  31. SMC's license page
  32. [1] archived thread from the Ardentryst forum via wayback machine
  33. https://djoffe.com/
  34. https://github.com/davidjoffe/dave_gnukem
  35. https://djoffe.com/gnukem/
  36. https://github.com/nevat/abbayedesmorts-gpl
  37. https://www.locomalito.com/abbaye_des_morts.php
  38. https://talk.pokitto.com/t/game-abbaye-des-morts/1463
  39. https://github.com/nevat/abbayedesmorts-gpl/blob/master/graphics/tiles.png
  40. 40.0 40.1 40.2 http://web.archive.org/web/20061207072423/http://www.cs.uidaho.edu:80/~cass0664/fRaBs/pages/updates.html
  41. https://web.archive.org/web/20030610094112/http://abuse2.com/public_domain.php3
  42. https://github.com/videogamepreservation/abuse/blob/master/README
  43. https://github.com/qbancoffee/infinite-tux/blob/master/copyright
  44. https://github.com/rohit-n/Clonepoint/blob/master/readme.txt
  45. https://rohit.itch.io/clonepoint