Sandbox video game with a powerful physics engine
Unity3D Client And C# Server Framework
Cross-platform game engine in Rust
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
The source code to VVVVVV
Open-source Android/Desktop remake of Civ V
Cocos simplifies game creation and distribution with Cocos Creator
Action-adventure game originally released in 2013
Satisfying monster shooter
Stream switch games to your PC via USB or network
A dead simple 2D game engine for Go
A simple and easy-to-use library to enjoy videogames programming
Java/JavaFX/Kotlin Game Library (Engine)
A habit tracker app which treats your goals like a Role Playing Game
KorGE Game Engine. Multiplatform Kotlin Game Engine & Korlibs
Multi-platform 2D and 3D game engine
New Godot bindings for Swift
Godot Kotlin JVM Module
A community sourced database of game controller mappings
Do virtual gear shifting (and more) in any rider app
Open-source engine for Heroes of Might and Magic III
A free, open-source mod that lets you translate any Unity game
Kotlin extensions for the libGDX game framework
Open source library for creative expression on the web, desktop, etc.
A completely free, open-source, 2D game engine