Free software that uses SDL

open source, turn-based strategy game with a high fantasy theme

free and open-source real-time strategy video game

DOSBox is a free and open-source MS-DOS emulator. It supports running programs primarily video games that are otherwise inaccessible since hardware for running a compatible disk operating system (DOS) is obsolete and generally unavailable today. It was first released in 2002, when DOS technology was becoming obsolete. Its adoption for running DOS games is relatively widespread, partly because of its use in commercial re-releases of games.

OpenTTD is a business simulation game in which players try to earn money by transporting passengers, minerals and goods via road, rail, water and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe.

Freeciv is a single- and multiplayer turn-based strategy game for workstations and personal computers inspired by the proprietary ''Sid Meier's Civilization series. It is available for most desktop computer operating systems and available in an online browser version. Released under the GNU GPL-2.0-or-later, Freeciv'' is free and open-source software. The game's default settings are closest to Civilization II, in both gameplay and graphics, including the units and the isometric grid. However, with a lot of multiplayer games being played in longturn communities, rulesets and additional variants

The '''Ren'Py Visual Novel Engine, often called RenPy' for short, is a free and open-source game engine that facilitates the creation of visual novels. Ren'Py'' is a portmanteau of , the Japanese word for 'romantic love', a common element of games made using Ren'Py; and Python, the programming language that Ren'Py runs on. The engine was developed for and targeted at multiple platforms, including Microsoft Windows and Linux.

2001 free side-view multiplayer action game

PPSSPP (an acronym for "PlayStation Portable Simulator Suitable for Playing Portably") is a free and open-source PSP emulator for Windows, macOS, Linux, iOS, Android, Nintendo Wii U, Nintendo Switch, BlackBerry 10, MeeGo, Pandora, Xbox Series X/S and Symbian with a focus on speed and portability. It was released to the public on November 1, 2012, licensed under the GNU GPLv2 or later. The PPSSPP project was created by Henrik Rydgård, one of the co-founders of the Dolphin emulator.

2006 video game

2002 video game

ZSNES is an emulator for the Super Nintendo Entertainment System released as free software. There are official ports for Linux, MS-DOS, Windows, and unofficial ports for Xbox, and macOS.

Mednafen (My Emulator Doesn't Need A Frickin' Excellent Name), formerly known as Nintencer, is an OpenGL and SDL multi-system free software wrapper that bundles various original and third-party emulation cores into a single package, and is driven by command-line input. It is distributed under the terms of the GPL-2.0-or-later license. Certain emulation cores of Mednafen have been ported to RetroArch/Libretro.

software for modeling and texturing low to mid-range polygon models

2003 video game

Redirect Algodoo

thumb|Bos Wars|Battle of Survival screenshot Stratagus is a free and open-source cross-platform game engine used to build real-time strategy video games. Licensed under the GNU GPL-2.0-only, it is written mostly in C++ with the configuration language being Lua.

free typing tutor software

2001 video game

1997 video game

2019 video game

'''''Rocks'n'Diamonds''' is an open source puzzle video game created by Holger Schemel and published in 1995 by Artsoft Entertainment. It is a clone of Boulder Dash, Supaplex, Emerald Mine, and Sokoban''.

space trading and combat video game

GrafX2 is a bitmap graphics editor inspired by the Amiga programs Deluxe Paint and Brilliance. It is free software and distributed under the GPL-2.0-only license.

C-Dogs, the sequel to Cyberdogs, is a shoot 'em up video game where players work cooperatively during missions and against each other in "dogfight" deathmatch mode.