RPG MO
Train skills, craft equipment, trade, and explore a persistent old-school fantasy MMORPG.
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Train skills, craft equipment, trade, and explore a persistent old-school fantasy MMORPG.
Guide Blupis through resource gathering, construction and increasingly demanding strategy puzzles in a free restored PC classic.
Master momentum, rings, items, and dense tracks in an ambitious community-built kart racer for solo and multiplayer competition.
Return to a prehistoric world as a jetpack-equipped dinosaur in the free modern desktop port of Pangea’s 1998 classic.
Play quick old-school deathmatch or build maps together inside a community-made Cube Engine 2 shooter.
Serve cute customers in a cafe with an unusual night shift.
Light a fire and uncover a growing world in this free, minimalist browser adventure by doublespeak games.
Make friends and investigate a high-tech town in 1bitHeart’s free English edition, with a complete Windows game ZIP from vgperson.
Design your own spaceships, test fleet combinations, and battle in a free real-time strategy sandbox.
Master precision movement and teamwork across thousands of cooperative community maps in DDNet.
Join a realistic open-source multiplayer shooter built as a complete game and modding showcase for Torque3D.
Fast multiplayer gunfights with character classes, varied maps, and competitive match modes.
Survive ten minutes of monsters with an evolving character build.
Race glowing light cycles, trap rivals with energy walls, and compete online in a fast open-source arcade classic.
Rediscover classic base-building strategy through a modern, community-developed RTS engine and its game adaptations.
Fight through two free single-player campaigns or battle across dedicated deathmatch maps using a compatible Doom engine.
A cave-themed Sokoban puzzle game. Push crates onto their targets, keep an escape route open, and see how few moves you can manage.
Mine, build, explore, and battle through dynamic 2D worlds in the open-source action sandbox OpenClonk.
Run, slide and explore colorful 16-bit-style levels with Tux and friends in a free standalone platform adventure.
Adventure through a pixel-art MMORPG filled with quests, dungeons, crafting, and other players.
A long-running open-source online tank battle game built around capture-the-flag and community servers.
Balance, accelerate, and master demanding 2D motorcycle obstacle courses in the open-source game XMoto.
Descend through a vast procedural dungeon, build a hero, and prepare for a final battle with Morgoth.
Practice road-course driving with realistic vehicle dynamics, configurable controls, and multiple cars and tracks in VDrift.
Fly aircraft across a detailed open world with realistic systems and community add-ons in the open-source FlightGear simulator.
A fast, approachable, turn-based 4X strategy game inspired by classic civilization builders.
Advance from early settlements to industrial warfare in a large-scale RTS with a free-to-play base game.
Dig a dungeon, attract creatures, and compete for underground territory in a free fantasy strategy game.
Play cartoon 3D football in the free English edition of the classic Bolzplatz 2006 project.
Sculpt battlefields, command diverse robot armies, and master a flexible economy in a free, community-developed RTS.
Connect to the active Enemy Territory: Quake Wars community through the independently maintained ETQW Client Manager.
Build a civilization, design military units, and race to launch a spaceship in a challenging free turn-based 4X.
Rescue abducted humans and battle Brain Aliens in the free modern port of Pangea’s retro science-fiction adventure.
Explore the Mirror World in Blank Dream, a free English Windows horror adventure. Direct game ZIP available; the free VX Ace RTP is also required.
Blast through branching stages in a challenging, free old-school space shooter.
Defend power cores, build gun turrets, and fight through seven multiplayer modes in a sci-fi FPS.
Dodge intricate patterns and chase high scores in the polished open-source bullet-hell game Taisei Project.
Run classic-style platform adventures and community content with Commander Genius, an open-source interpreter and game engine.
Rocket-jump, strafe, and battle bots or players across fast GPL-licensed arena FPS matches.
Follow Durandal beyond the colony ship in the second Marathon campaign, with classic FPS combat and a free standalone Windows build.
Fly customizable ships through story and arcade campaigns in OpenTyrian, the open-source port of the freeware shooter Tyrian.
A disorienting puzzle platformer where rooms, gravity, and direction refuse to stay put.
Command a starship, lead an away team, and explore an online Star Trek universe.
Build a futuristic army and keep energy and resource production balanced in a compact, classic RTS.
Explore an oversized backyard as Skip the grasshopper in the free modern Windows port of Pangea’s Bugdom 2.
Fight rogue robots and explore a science-fiction world in the free open-source action RPG FreedroidRPG.
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