47,133 repositories indexed
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Play your own Tears of the Kingdom and Breath of the Wild natively on Apple silicon Mac, iPhone and iPad. Not an emulator: the game's ARM64 code runs directly, NVN rebuilt on Metal. Bring your own game.
Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.
Quake GPL Source Release
Emulator for rapid prototyping of Software Defined Networks
The Forge Cross-Platform Framework PC Windows, Steamdeck (native), Ray Tracing, macOS / iOS, Android, XBOX, PS4, PS5, Switch, Quest 2
2D JavaScript Physics Engine
TranslatedOpen-source compatibility layer for Diablo II: Resurrected with the Reign of the Warlock expansion. Runs your own Switch copy natively on iPhone, iPad, Mac, Android and HarmonyOS — full touch controls, 60 fps, new endgame modes. Bring your own game files. Open-source iOS / macOS / Android / HarmonyOS compatibility layer for Diablo II: Resurrected (《暗黑破坏神 II：狱火重生》) Reign of the Warlock (术士君临)
Classic Tomb Raider open-source engine
Java / JavaFX / Kotlin Game Library (Engine)
Cross-platform game engine in Rust.
SpartanPort: unofficial PC port of God of War III Remastered (PS4) for Windows and Linux (AppImage). Original x86-64 code runs directly on the CPU with a custom runtime; graphics use shadPS4's Vulkan video core. Launcher, in-game menu, controller icons and up to 240 FPS. Requires your own game dump. No game files included.
Installs the latest UMU/GE-Proton and Non Steam Launchers under 1 Proton prefix folder and adds them to your steam library. Installs... Battle.net, Epic Games, Ubisoft, GOG, EA App, Amazon Games, itch.io , Legacy Games, The Humble Games Collection, IndieGala, Rockstar Games Launcher,PS Plus, Glyph, VKPlay & HoYoPlay, Waydroid and Games on SD Card.
The official distribution of olcPixelGameEngine, a tool used in javidx9's YouTube videos and projects
Bloodborne (v1.09) running natively on Linux and Windows: the game's x86-64 code runs as is, GPU side translated to Vulkan; FSR 4 / DLSS, co-op (BBSC). Bring your own dump.
Doom 3 GPL source release
Huge library of matcap PNG textures organized by color
Quake 2 GPL Source Release
SteamKit2 is a .NET library designed to interoperate with Valve's Steam network. It aims to provide a simple, yet extensible, interface to perform various actions on the network.
Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.
Run Android on iOS. Natively or Emulated.
Linux wrapper tool for use with the Steam client for custom launch options and 3rd party programs
The ioquake3 community effort to continue supporting/developing id's Quake III Arena
Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.