| Name | Description |
| Alien 8 | - Game featuring an isometric engine called Isomot 4) |
| isaac-paper (Paper Isaac) | - A fan remake of The Binding of Isaac - with a paper look 5) |
| FreeTrain | - Free & open source game of rail & business simulation |
| Abuse | - Dark 2D side-scrolling platform game |
| BetterSpades | - Replicate of the great game Ace of Spades (classic voxlap) |
| Zatacka X | - Remake of “Achtung, die Kurve!” |
| 0 A.D. | - A free, open-source game of ancient warfare |
| rawgl | - Another World Interpreter |
| Antares | - Port of the original Ares code base that was open sourced in 2008 |
| Uebergame | - Free open source, realism like, multi-purpose, multiplayer, casual, first-person-shooter game |
| EmptyEpsilon | - Spaceship bridge simulator game |
| Maelstrom | - You pilot your ship through the dreaded “Maelstrom” asteroid belt |
| Bombman | - Atomic Bomberman clone |
| Atomiks | - Remake of the classic Atomix game for modern platforms |
| LMarbles | - Atomix clone with a slight change in concept |
| Advanced Strategic Command | - Turn based strategy game, designed in the tradition of the Battle Isle series |
| Crimson Fields | - Turn-based tactical war game |
| BZFlag | - Tanks with Super Powers |
| Battle City | - Build a city. Hire a team. Orb the enemy! |
| Rigs of Rods | - Softbody Physics Simulator |
| osu! | - the bestest free-to-win rhythm game |
| Gweled | - Gweled is a free version of a popular game called Bejeweled or Diamond Mine for GNU/Linux |
| Bermuda Syndrome | - Reimplements the engine used in the game Bermuda Syndrome |
| xBaK | - Fan-made remake of “Betrayal at Krondor” |
| Witch Blast | - Roguelite dungeon crawler game |
| BStone | - Source port of Blake Stone: Aliens of Gold and Blake Stone: Planet Strike |
| Transfusion | - Tour de force of horror that has yet to be matched, in which you battled minions of evil in a lightning-paced, blood splattered quest for glory |
| Granatier | - Granatier is a clone of the classic Bomberman game, inspired by the work of the Clanbomber clone |
| Mr.Boom | - An 8 player Bomberman clone for RetroArch/Libretro |
| SDL Bomber | - A basic clone of the fantastic game Atomic Bomberman |
| BOOM: Remake | - “Bomberman meets DOOM” - BOOM: Remake shares most of its codebase with Lifish and, like it, it is free software |
| Rocks'n'Diamonds | - A scrolling tile-based computer puzzle game that can be described as a combined Boulder Dash, Supaplex, Emerald Mine, Solomon's key, and Sokoban clone |
| LBreakoutHD | - A scaleable 16:9 remake of LBreakout2; you try to clear levels full of different types of bricks and extras by using your paddle to aim balls at the bricks; all LBreakout2 themes and levelsets work, new themes can be of any resolution |
| Block Shooter | - Remake of old game |
| BitRiot | - Clone / re-implementation of the Amiga Bug Bomber game |
| OpenBVE | - A license-free, open source, free of charge train driving simulator |
| C-Dogs SDL | - Classic overhead run-and-gun game |
| CaesarIA | - Open source remake of Caesar III |
| Julius | - An open source re-implementation of Caesar III |
| Open Fodder | - An open source port of Cannon Fodder |
| OpenC1 | - Remake of Carmageddon 1 engine |
| Cataclysm: Dark Days Ahead | - A turn-based survival game set in a post-apocalyptic world |
| CatacombSDL | - SDL 2 source port for Catacomb II |
| CatacombGL | - A Windows source port with OpenGL graphics for Catacomb 3D (1991), The Catacomb Abyss (1992), The Catacomb Armageddon (1992) and The Catacomb Apocalypse (1993) |
| Reflection Keen | - Ports of Keen Dreams (based on https://github.com/keendreams/keen/ which followed a fundraising campaign), Catacomb 3-D (The Descent) and the Catacomb Adventure Series (the Catacomb ports are based on source codes from https://github.com/CatacombGames/) |
| Cave Story Engine 2 | - Decompilation of Cave Story (v1.0.0.6) |
| Tile World | - an emulation of the game “Chip's Challenge”, it does not come with the chips.dat file that contains the original level set 6) |
| Tile World 2 | - A Chip's Challenge clone |
| Duck Marines | - A cross-platform free software PC remake of Sonic Team’s ChuChu Rocket |
| C-evo | - A freeware empire building game for Windows |
| UnCiv | |
| OpenClonk | |
| Colobot: Gold Edition | |
| Command & Conquer - HTML5 | |
| Thyme | |
| Chronoshift | |
| CommandoJS | |
| Spring: 1944 | |
| CCCP | |
| The Butterfly Effect | |
| Grimsonland | |
| Violetland | |
| coab | |
| Performous | |
| StepMania | |
| Word War vi | |
| Mirror Magic | |
| Devilution | |
| DevilutionX | |
| freeablo | |
| Digger Remastered | |
| OpenDominion | |
| Classic RBDoom 3 BFG | |
| DOOM Retro | |
| The Eternity Engine | |
| Odamex | |
| SLADE | |
| OpenBOR | |
| Dave Gnukem | |
| Chocolate Duke3D | |
| Duke3D | |
| Duke3d_win32 | |
| DukeGDX | |
| EDuke32 | |
| JFDuke3D | |
| Rednukem | |
| xDuke | |
| Rigel Engine | |
| X-Moto | |
| Daggerfall Unity | |
| OpenMW | |
| OpenMW for Android | |
| TES3MP | |
| Vega Strike | |
| Pioneer | |
| Enduro tribute | |
| ativayeban | |
| Falling Time | |
| sfall | |
| Flappy Bird TIC Edition | |
| Floppy Birb | |
| Friking Shark | |
| Dungeon Craft | |
| ProjectX | |
| FreeSpace 2 Source Code Project | |
| Glest Advanced Engine | |
| MegaGlest | |
| GoldenEye: Source | |
| Gorillas-rs | |
| REGoth | |
| SanAndreasUnity | |
| Dizgruntled | |
| Frets on Fire | |
| Frets on Fire X | |
| Clonepoint | |
| Doom Legacy | |
| Odamex | |
| Ancient Beast | |
| VCMI | |
| Homeworld SDL | |
| HyperRogue | |
| Open Imperium Galactica | |
| IO Reboot | |
| Jagged Alliance 2 Stracciatella | |
| OpenJazz | |
| Jazz² Resurrection | |
| JediOutcastLinux | |
| JediAcademyLinux | |
| OpenJK | |
| WallBall | |
| Open Kick-Off | |
| LastNinja | |
| Fanwor | |
| Open Zelda | |
| Zelda Classic | |
| Wind Waker Randomizer | |
| Lemmings.ts | |
| Lemmini | |
| Lemmix | |
| Lix | |
| LixD | |
| Pingus | |
| GUSANOS | |
| OpenLiero | |
| twin-e | |
| F.LF | |
| KGoldrunner | |
| XScavenger | |
| Orbium | |
| Planet Lander | |
| Forge | |
| Magarena | |
| XMage | |
| Rot Magus | |
| Aleph One | |
| SuperTuxKart | |
| SuperTuxParty | |
| 1oom | |
| LinWarrior | |
| Gigalomania | |
| Mice Men Remix | |
| Dust Racing 2D | |
| Yorg | |
| OpenMC2 | |
| World of Might and Magic | |
| Craft | |
| DwarfCorp | |
| Gnomescroll | |
| Minetest | |
| Terasology | |
| Isometric-Minesweeper | |
| Mines | |
| Minesweeper.Zone | |
| proxx | |
| Missile Command | |
| Morpheus Web Remake | |
| mk.js | |
| NFSIISE | |
| Nether Earth Remake | |
| Xonotic | |
| OpenNotrium | |
| RuneLite | |
| Torrega Race | |
| OpenOMF | |
| Outpost HD | |
| Cannonball | |
| EnTT Pacman | |
| Ghostly | |
| Pac Go | |
| SwtPacMan | |
| LGeneral | |
| FreedroidRPG | |
| Nighthawk | |
| Fluid Table Tennis | |
| Tuxemon | |
| Open Portal Engine | |
| POSTAL 1 Open Source | |
| POSTAL 1 source code | |
| The Powder Toy | |
| PCExhumed | |
| PowerslaveGDX | |
| Powerslave EX | |
| FreePrince | |
| Mininim | |
| SDLPoP | |
| Prince-Monogame | |
| Pushover | |
| Wizznic! | |
| Castle-Combat | |
| RedneckGDX | |
| iortcw | |
| RickyD | |
| xrick | |
| A Mouse's Vengeance | |
| OpenRCT2 | |
| EasyRPG Player | |
| mkxp | |
| Tapir | |
| 2006-rebotted | |
| Open RSC | |
| Atomic Tanks | |
| Sea-Wolf | |
| YSoccer | |
| Freeserf | |
| Freeserf.net | |
| Return to the Roots | |
| Widelands | |
| JonoF's Shadow Warrior Port (JFSW) | |
| Bridge Command | |
| FreeSiege | |
| zSILENCER | |
| Silent Hill 2 Enhancement | |
| 3d.city | |
| Cytopia | |
| FreeSims | |
| FreeSO | |
| OpenSkyscraper | |
| UltraStar Deluxe | |
| OpenRoads | |
| Slime Volleyball | |
| snake | |
| Snipes | |
| CavePacker | |
| Sonic Adventure Toolset | |
| Open Sonic | |
| SDL Sopwith | |
| Space Harrier Clone | |
| Hopson-Arcade | |
| Thrive | |
| Strife: Veteran Edition | |
| Supaxl | |
| Open Hexagon | |
| Mega Mario | |
| ReTux | |
| Super Mario War | |
| SuperTux | |
| uMario | |
| Super Methane Brothers | |
| Hexoshi | |
| Nuncabola | |
| Super Tilt Bro | |
| TUSSLE | |
| Zero-K | |
| Survivor | |
| Syndicate Wars Port | |
| Shockolate | |
| Gang Garrison 2 | |
| Open Fortress | |
| TekwarGDX | |
| wbt | |
| 4DTris | |
| Future Blocks | |
| Quadrapassel | |
| Spludlow Tetris | |
| Tetris | |
| vitetris | |
| Crack Attack! | |
| FreeBlocks | |
| Panel Attack | |
| CorsixTH | |
| The Dark Mod | |
| Marblez | |
| Taisei Project | |
| Stunt Rally | |
| OpenTTD | |
| Simutrans | |
| TTDPatch | |
| Tumbly Towers | |
| Pink Pony | |
| Hurrican | |
| CaveExpress | |
| CrossUO: Ultima Online | |
| Iris2 | |
| UnderworldExporter | |
| Visual Pinball | |
| VVVVVV | |
| WitchavenGDX | |
| Wolf3dX | |
| Hedgewars | |
| OpenXcom | |
| UFO2000 | |
| Xenowar | |
| Zed Online | |