Dolphin is a GameCube / Wii emulator
A retro game engine for Python
The Tiny JavaScript Game Engine That Can!
One of the most popular modern web proxies with blazing fast speeds
Cross-platform runtime for cloud, mobile, desktop, and IoT apps
JK's Save Manager Switch Edition
3D space trading and combat game
Simple GTK# Paint Program
A lightweight game server framework implemented with Actor Model
Java/JavaFX/Kotlin Game Library (Engine)
a (simple) Sokoban game
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Diablo build for modern operating systems
A Flutter based game engine
Play chess from your terminal
Cross-platform game engine in Rust
Easy to use Python library for creating 2D arcade games
A small MIDI visualizer tool, using OpenGL
The flexible game engine
Godot game template and component-based framework
Simple and flexible programming language for applications development
The Ruby 2D gem
A fast and reliable entity component system (ECS) and much more
Cross-platform, open source, and super fast MUD client with scripting
Retro emulation for the ODROID-GO and other ESP32 devices