AssaultCube is an Open Source, multiplayer, first-person shooter game, based on the CUBE engine.

AssaultCube Reloaded is a free and open source first person shooter based on the semi-popular AssaultCube, which was based on the Cube FPS.

Compiled version of Brutal Doom for Windows

brutaldoom doom2 doom maps

brutaldoom doom maps

Maps for BrutalDoom

brutaldoom doom map

brutaldoom maps

Cube 2: Sauerbraten is a free multiplayer & singleplayer first person shooter

Duke Nukem 3D game engine

Cross-platform port of Raven Software's Hexen II source.

A Free and Open Source FPS game, built on Cube 2 Engine.

Urban Terror is a free 3D shooter game.

Free (GPL), fast-paced first-person shooter

Get the Desktop App for Battle.net Now!

A digital distribution service for gamers, putting the best games, mods and downloadable content at your fingertips and ready to play.

Epic Games Launcher

Truly gamer friendly, DRM-free online gaming platform.

Install, update and play indie games.

Origin is a digital distribution and digital rights management system from Electronic Arts.

Steam Client by Valve Corporation

Uplay is a cross-platform service available in more than 50 games. It enables actions, rewards and social interactions. With Uplay, the more you play, the more you win!

The longest running massively multiplayer spaceship shooter game running today.

A game imitating the look of DOTA, now with a dedicated server and ratings saved in your history to make matches equally fighting for both parts.

Neocron Community Edition Client

Windows client of the popular free-to-play MMORPG game, Runescape by Jagex LTD.

Play Star Wars™: The Old Republic™ and be the hero of your own Star Wars™ saga.

Solve puzzles for science research

Minecraft

An open source voxel game engine. Play one of our many games, mod a game to your liking, make your own game, or play on a multiplayer server.

OpenMW - Open source Elder Scrolls III: Morrowind engine reimplementation

osu! is a free-to-play online rhythm game.

PJ Crossley's remake of the classic Painter game.

Open source video game library manager and launcher with support for 3rd party libraries like Steam, GOG, Origin, Battle.net and Uplay. Including game emulation support, providing one unified interface for your games.

Secret Maryo Chronicles is an Open Source two-dimensional platform game.

Teeworlds is a free online multiplayer game

Free and open source 2D motocross platform game

An addictive and very interesting multiplayer racing game in which you will be able to compete with players of any part of the world.

An addictive and very interesting multiplayer racing game in which you will be able to compete with players of any part of the world.

Open Source 3D kart racing game

ADOM (Ancient Domains Of Mystery) is one of the most successful roguelike games ever created, boasting a brilliant mix of story, RPG, exploration, and intensely strategic and flexible combat.

ADOM (Ancient Domains Of Mystery) is one of the most successful roguelike games ever created, boasting a brilliant mix of story, RPG, exploration, and intensely strategic and flexible combat.

Dungeon Crawl Stone Soup is an open-source, single-player, role-playing roguelike game of exploration and treasure-hunting in dungeons filled with dangerous and unfriendly monsters in a quest to rescue the mystifyingly fabulous Orb of Zot.

Open-source, cross-platform, real-time strategy (RTS) game of ancient warfare

Installer for League of Legends from Riot Games.

Free, real-time strategy game engine supporting early Westwood classics

Warzone 2100 - RTS game with the theme of Strategy by Design

widelands

FlightGear is an open-source flight simulator. It supports a variety of popular platforms (Windows, Mac, Linux, etc.) and is developed by skilled volunteers from around the world.

OpenRCT2 is an attempt to recreate RollerCoaster Tycoon 2 into opensource code.

OpenTTD is a transport simulation game based upon the popular game Transport Tycoon Deluxe, written by Chris Sawyer

simutrans

A new eSport!

Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization.

Hedgewars is a turn based strategy, artillery, action and comedy game.

The Battle for Wesnoth is a turn-based tactical strategy game with a high fantasy theme.

The World’s Foremost Open-Source Grand Strategy Game

Amidst is a tool to display an overview of a Minecraft world, without actually creating it.

Cheat Engine is an open source memory scanner/hex editor/debugger

Automatically backup your saved games with optional cloud support.

With GameSave Manager, you can easily backup, restore and transfer your gamesave(s). No longer do you need to manually track through all of the those different directories to backup/restore/transfer

The Nexus Mod Manager (NMM) is a free and open source piece of software that allows you to download, install, update and manage your mod files through an easy to use interface. It integrates with the Nexus sites to provide you with a fast, efficient and much less hassled modding experience.

Designed to help optimize your PC for smoother, more responsive game play in the latest PC games.

ReShade is an advanced, fully generic post-processing injector for games and video software developed by crosire

Utility to render high-quality, smooth Source Engine movies using a customized userspace filesystem that catches the frames before they are written to disk

Vortex is a free and open source piece of software that allows you to download, install, update and manage your mod files through an easy to use interface. It integrates with the Nexus sites to provide you with a fast, efficient and much less hassled modding experience.