API and runtime that allows access to VR hardware
Access GameLift resources and integrate GameLift into your Unity game
Command & Conquer: Remastered Collection
CTFs as you need them
Powerful, mature open-source cross-platform game engine for Python
Voxel game engine in C++ with OpenGL
Build multiplayer web games played by millions
Solar2D Game Engine main repository (ex Corona SDK)
Open source library for N64 development
Dedicated Game Server Hosting and Scaling for Multiplayer Games
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D Game engine with editor
Playstation Portable SDK for PSP 1 & 2
Here we're trying to create the easiest open-source game engine.
Network gamepad/joystick
Command and Conquer: Red Alert original source code
DRM remover of the SteamStub variants
Injectable LUA scripting system, SDK generator, live property editor
cross-platform sound-playing package for C++ apps
A compatibility layer between the Oculus SDK and OpenVR
The AWS GameKit Plugin for Unreal
Real-time collision detection and multi-physics simulation for VR
Python ctypes module for the Irrlicht Engine SDK
Amazon Lumberyard is a free AAA game engine