Almost everything in the catalog is built by volunteers who have kept a project alive for a decade or more without charging anyone a penny. Here they are.
-IZMA-
Solo indie developer, creator of Deadeus.
1 game · since 0
2015, Inc.
1 game · since 0
3D Realms
1 game · since 0
Activision Publishing, Inc.
Developer/publisher of Call of Duty: Mobile.
1 game · since 0
Aleph-One-Marathon
GitHub organization
1 game · since 0
Anomaly Developers
1 game · since 0
Anuke
One developer. One factory. Endless waves.
1 game · since 2017
ArenaNet
Developer of Guild Wars and Guild Wars 2.
1 game · since 0
AssaultCube Team
Ultra-fast low-spec open-source tactical action.
1 game · since 2004
bauxite
1 game · since 0
Bethesda Softworks
Elder Scrolls, Doom, Quake, and more.
3 games · since 1986
Beyond All Reason Team
Total war at total scale.
1 game · since 2019
BioWare
1 game · since 0
Blizzard Entertainment
StarCraft, Diablo, Hearthstone, and Battle.net.
2 games · since 1991
Blue Mammoth Games
Developer of Brawlhalla, published by Ubisoft.
1 game · since 0
Boll Team
1 game · since 0
Bomber Games
1 game · since 0
Broadsword
Developer of Star Wars: The Old Republic, published by EA.
1 game · since 0
Bullfrog Productions
1 game · since 0
Chris Sawyer Productions
Small-team simulation design built around systems you can see working.
1 game · since 1999
Chrjs and the Wreckage team
1 game · since 0
ConcernedApe
Creator of Stardew Valley.
1 game · since 0
Cong Pham (cxong)
Maintaining and modernizing classic arcade shoot-em-ups.
1 game · since 2013
Core Design
Original creators of the legendary Tomb Raider series.
1 game · since 1988
CorsixTH Team
1 game · since 0
Cryptic Studios
Developer of Star Trek Online, published by Arc Games.
1 game · since 0
Darkflow Software
Developer of Enlisted, published by Gaijin.
1 game · since 0
Daybreak Game Company
Stewards of EverQuest and classic MMOs.
1 game · since 2015
Devclerk
Small team behind the guild-management sim Ye Guild Clerk!
1 game · since 0
Dez0wave
The modding group behind S.T.A.L.K.E.R. Lost Alpha.
1 game · since 0
DICE
The studio behind Battlefield 1942.
1 game · since 0
Digital Extremes
Work, Play, Game
2 games · since 1993
Dimensional Ink Games
Developer of DC Universe Online, published by Daybreak.
1 game · since 0
Dune Legacy
Free open-source remake of the classic 1992 RTS game Dune II. Download for Windows, macOS, and Linux.
1 game · since 0
ECWolf Team
Modern Wolfenstein 3D source port.
1 game · since 2012
Elber
1 game · since 0
Embark Studios
Developer of THE FINALS.
1 game · since 0
Endless Sky Contributors
A galaxy, written and drawn by volunteers.
1 game · since 2014
Enlight Software
Pioneers of complex economic strategy and tactical simulation.
1 game · since 1993
Ensemble Studios
1 game · since 0
Eric Froemling
Solo developer of BombSquad, published as Ballistica.
1 game · since 0
Everstone Studio
Developer of the wuxia open world Where Winds Meet.
1 game · since 0
Fair Games ApS
Fair Games ApS — from Steam store credits
1 game · since 0
FakeFish & Undertow Games
The teams behind Barotrauma.
1 game · since 0
Fate of the Galaxy Dev Team
Volunteers who spent nearly twenty years rebuilding Original Trilogy space combat on FreeSpace Open.
1 game · since 2007
Fenris Creations
Developer of EVE Online.
1 game · since 0
Firefly Studios
1 game · since 0
Fireglow
1 game · since 0
Fishing Planet LLC
Developer of the realistic fishing sim Fishing Planet.
1 game · since 0
FlightGear Project
Open-source flight simulation.
1 game · since 1997
Freedoom Project
Free IWADs for Doom engines.
1 game · since 2001
Gaggle Studios, Inc.
Developer of the social deduction game Goose Goose Duck.
1 game · since 0
Gaijin Entertainment
War Thunder and vehicular combat.
1 game · since 2002
GameBuddies.io
Free browser party games for remote game nights.
1 game · since 0
Gameloft
Developer of the Asphalt racing series.
1 game · since 0
Grinding Gear Games
Developer of the free action RPG Path of Exile.
1 game · since 0
Hawkening Community Team
Community engineers resurrecting high-octane mech combat.
1 game · since 2023
Hedgewars Project
Serious engineering. Unserious hedgehogs.
1 game · since 2006
Homecoming Servers
1 game · since 0
Hopoo Games
Creators of Risk of Rain 2.
1 game · since 0
HorizonXI
A Final Fantasy XI private server recreating the classic level 75 era. Rediscover Vana
1 game · since 0
Hoyoverse
Genshin Impact and anime open worlds.
1 game · since 2014
Hurry Curry Contributors
1 game · since 0
Hypersomnia
Hypersomnia is a free-to-play competitive 2D top-down shooter with intense gunplay, tactical gameplay, and stunning pixel art. Join fast-paced bomb defusal matches, clan wars, and duels in this open-s
1 game · since 0
id Software
Quake, Doom, and arena shooters.
2 games · since 1991
Indie Web
Browser and indie games on the open web.
1 game · since 2026
Innersloth
Developer of Among Us and The Henry Stickmin Collection.
1 game · since 0
Ion Storm
1 game · since 0
Jagex Ltd
Developer of RuneScape and Old School RuneScape.
1 game · since 0
Javanaise
Developer of Mr. Boom, the open-source Bomberman clone.
1 game · since 0
Kay Yu
Solo developer behind HoloCure.
1 game · since 2022
KingSpoon
1 game · since 0
Klei Entertainment
Klei Entertainment — from Steam store credits
1 game · since 0
Locomalito
2 games · since 0
Looking Glass Studios
2 games · since 0
Luanti Team
The open voxel game platform.
1 game · since 2010
Ludeon Studios
Creators of RimWorld.
1 game · since 0
Lv.4 Games
Retro reimagining specialists and indie engine creators.
1 game · since 2023
Mad Otter Games
Developer of Villagers & Heroes.
1 game · since 0
Massive Entertainment
2 games · since 0
Max Mraz
Crafting atmospheric retro pixel-art action adventures.
1 game · since 2019
MegaPhilX
A decade-long labour of love for classic Mega Man.
1 game · since 2010
Merso X
OpenBOR TMNT fangames and beat 'em up tributes.
1 game · since 2019
Monolith Productions
1 game · since 0
Naev DevTeam
Charting a 2D galaxy, release by release.
1 game · since 2004
New World Computing
1 game · since 0
Next-Gen Chess
Free browser chess with move feedback and hints.
1 game · since 0
Nicu Pavel
Independent developer of Panzer Marshal.
1 game · since 0
Obsidian Entertainment
1 game · since 0
Oddshot Games
Developer of the multiplayer football game Strikers Club.
2 games · since 0
Odyssey Interactive
Smash opponents off the arena and score goals in this lightning-fast 3v3 footbrawler. Sling slimes, toss tofu, and rocket boost to victory when Omega Strikers launches on PC, mobile, and consoles on A
1 game · since 0
OpenArena Team
Free Quake III–style arena action.
1 game · since 2005
OpenCiv3 Contributors
Civilization III as it could have been.
1 game · since 2021
OpenClonk Team
Successor to the shareware Clonk series.
1 game · since 0
OpenHV Community
1 game · since 0
OpenRA Team
Reimagining classic RTS games for the modern era.
1 game · since 2007
OpenTS Developers
Reconstructing the Tiberian Sun engine for modern platforms and modders.
1 game · since 2024
OpenTTD Team
Twenty years of trains running on time.
1 game · since 2004
OpenTyrian Team
Open-source port of the 1995 shareware shooter Tyrian.
1 game · since 0
Pablo Leban
Solo developer of the idle RPG Idle Slayer.
1 game · since 0
PDoD — Pokemon: Dawn of Darkness
Pokemon: Dawn of Darkness (PDoD) is back — the 2011 fan MMO, rebuilt and free to play. All 721 Pokemon across six generations, 8 gyms, a full story, PvP, trading, shinies and a live server. Download t
1 game · since 0
PixReveal
Free browser pixel-art guessing party game.
1 game · since 0
poke 53280
1 game · since 0
Pokémon Blaze Online Team
Expansive fan-made Pokémon MMORPG with cross-platform worlds and co-op battles.
1 game · since 2018
Porcupine Game Dev
1 game · since 0
Powerhoof
1 game · since 0
Privateer Gemini Gold Team
Rebuilt a 1993 space sim on an open-source engine.
1 game · since 2005
Project Celeste Team
1 game · since 0
Raven Software
The studio behind Soldier of Fortune and decades of action games.
1 game · since 0
Re-Volt I/O
The popular racing game from
1 game · since 0
Red Eclipse Team
Parkour-driven arena FPS combat on the Cube 2 engine.
1 game · since 2011
Respawn Entertainment
Apex Legends and Titanfall.
1 game · since 2010
rincewindcz
GitHub user
1 game · since 0
Riot Games
League of Legends, VALORANT and Wild Rift.
3 games · since 2006
Rogue Snail
Chroma Squad, Knights of Pen & Paper, and Relic Hunters.
1 game · since 2012
Ryzom Core Community | Nevrax Library
Build your own beautiful worlds using the Ryzom Core MMORPG tools and NeL game engine.
1 game · since 0
Sandbox Interactive
Developer of the player-driven sandbox MMO Albion Online.
1 game · since 0
Second Dinner Studios
Developer of MARVEL SNAP.
1 game · since 0
Shattered Pixel
Roguelike design, sharpened to a point.
1 game · since 2014
Singularity 6 Corporation
Developer of the cozy life-sim MMO Palia.
1 game · since 0
Smartly Dressed Games
Smartly Dressed Games — from Steam store credits
1 game · since 0
SNK Corporation
Pioneers of Neo Geo, Metal Slug, and King of Fighters.
4 games · since 1978
SNK CORPORATION
SNK CORPORATION — from Steam store credits
1 game · since 0
Solarus Team
2 games · since 0
Sonic Team Junior
SRB2, SRB2Kart, and the Doom-engine Sonic community.
1 game · since 1998
Splash Damage
Creators of Wolfenstein: Enemy Territory and Enemy Territory: Quake Wars.
1 game · since 2001
SS14
A multiplayer game about paranoia and disaster, remaking the classic Space Station 13
1 game · since 0
Standing Stone Games
Developer of The Lord of the Rings Online.
1 game · since 0
Starry Studio
Developer of the survival MMO Once Human.
1 game · since 0
SUNCYAN Inc.
Developer of the volleyball game The Spike Cross.
1 game · since 0
SuperTux Team
Platforming with a penguin since 2003.
1 game · since 2003
SuperTuxKart Team
Karts, chaos, and open-source mascots.
1 game · since 2006
SWG Community Editions
Keeping the galaxy online.
1 game · since 2011
Team GoldenEye: Source
1 game · since 0
Team Psykskallar
Team Psykskallar — from Steam store credits
1 game · since 0
Team Xonotic
Keepers of the arena shooter flame.
1 game · since 2010
Teeworlds Team
Community maintainers of the retro multiplayer shooter Teeworlds.
1 game · since 0
thatgamecompany
Studio behind Sky: Children of the Light and Journey.
1 game · since 0
The Dark Mod Team
1 game · since 0
The Freeciv Project
Turn-based empire building since the 90s.
1 game · since 1995
The Trigger Rally Team
Open-source 3D arcade off-road rally racing simulation.
1 game · since 2004
The Ur-Quan Masters Team
1 game · since 0
The Wesnoth Project
Two decades of open-source fantasy strategy.
1 game · since 2003
The YSoccer Project
Classic 16-bit retro top-down football preservation and modern continuation.
1 game · since 2008
Thera Interactive
Developer of the naval MMO World of Sea Battle.
1 game · since 0
tinywind
Pixel pirate sailing.
1 game · since 2025
Totem Arts
1 game · since 0
TripleA: An Open Source Turn Based Grand Strategy Game
Free open-source strategy game inspired by Axis & Allies. Windows, macOS, and Linux. No account required. 100+ maps - play vs AI or live multiplayer.
1 game · since 0
Ubisoft Montreal
Developer of Tom Clancy's Rainbow Six Siege.
1 game · since 0
Unknown Horizons Team
1 game · since 0
Unvanquished Development
Asymmetric warfare, open development.
1 game · since 2011
Valve
Valve — from Steam store credits
5 games · since 0
Vellocet
Vellocet — from Steam store credits
1 game · since 0
Veloren Team
Building an open voxel world in Rust.
1 game · since 2018
Warzone 2100 Project
Keeping a 1999 classic alive and evolving.
1 game · since 2004
Widelands Team
Economic settlement building inspired by The Settlers II.
1 game · since 2001
Wildfire Games
Historical RTS craftsmanship since 2001.
1 game · since 2001
Wube Software
Creators of Factorio.
1 game · since 0
Zero-K Team
Physics-first strategy design.
1 game · since 2010
ZgzInfinity
GitHub user
1 game · since 0
ZVitor
Brazilian OpenBOR beat 'em up remakes and fangames.
1 game · since 2013