Godot is a powerful cross-platform game engine
Solar2D Game Engine main repository (ex Corona SDK)
Download modified versions of Android apps and games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Popular Roblox executor
Cocos simplifies game creation and distribution with Cocos Creator
A JavaScript engine optimized for running React Native
Multi-platform 2D and 3D game engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
Virtual Las Vegas casino experience with slot machines and other games
Game engine supporting many 3D/2D formats and graphic effects
Free APK version of Garry's Mod, the Android sandbox physics game
Use the Delta Executor APK with Roblox on a Windows PC.
Lightweight Android emulator optimized for FPS games on low-end PCs
The game engine for everyone
An unofficial rules engine for the world's greatest card game
Voxel game-creation platform with easy modding and game creation
GemRB is a portable open-source implementation of the Infinity Engine
Game engine to build text adventures.
Satisfying monster shooter
A dead simple 2D game engine for Go
New Godot bindings for Swift
A completely free, open-source, 2D game engine
Open-source engine for Heroes of Might and Magic III