The flexible game engine
Solar2D Game Engine main repository (ex Corona SDK)
Godot is a powerful cross-platform game engine
JavaScript-based game engine designed to empower developers
Flax Engine, multi-platform 3D game engine
Fast and lightweight JavaScript game engine built on WebGL and glTF
Multi-platform 2D and 3D game engine
Cross-platform 2D and 3D game engine with modular architecture
Game engine supporting many 3D/2D formats and graphic effects
Cross-Platform C++ 2D/3D game engine
V1, Mirror Classic. V2, Mirror Engine: Join Discord for access
Cocos simplifies game creation and distribution with Cocos Creator
Popular Roblox executor
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A game engine with an emphasis on real-time cutting-edge solutions
Xash3D FWGS engine
Download modified versions of Android apps and games
An OpenGL RTS game engine written in C
Simple and light-weight 3D game engine
Zig game engine & graphics toolkit
A JavaScript engine optimized for running React Native
Open source voxel game engine with support for survival and crafting
A complete 3-D game development suite written in Java
Program for determining types of files for Windows, Linux and MacOS
Free APK version of Garry's Mod, the Android sandbox physics game