An updated version of the classic "Basic Computer Games" book
A .NET ascii/ansi console engine written in C# for MonoGame and XNA
OgreWin3D
Voxel game engine in C++ with OpenGL
Free game engine for development of desktop, mobile, and web games
The Oldschool Runescape API wrapper that does more
HTML5 Canvas Tower Building Game
Netcode that provides networking capabilities to GameObject workflows
A game framework written with osu! in mind.
Blind Chess using Taiwan rules
A fast and reliable entity component system (ECS) and much more
Go bindings for raylib, a simple and easy-to-use library
A shield for the Arduino Mega that can back up video game cartridges
Python MUD/MUX/MUSH/MU* development system
Cross-platform game engine in Rust
Cross-Platform C++ 2D/3D game engine
DeSmuME is a Nintendo DS emulator
Gideros Release version
For exploring cellular automata like Conway's Game of Life.
3D Engine c++
Slot machine (one-armed bandit).
A very efficient tutor.
Action RPG that's easy to mod
Divine generator of riddles for arrangement.