Modern 3D engine and IDE written using C# and C++.
Data-oriented and data-driven game engine written in Rust
A cross-platform 2D game engine
8-bit Graphical API for Java
Planimeter Game Engine 2D - LÖVE-based game engine for Lua
Example code for creating a 2D platform game in Java.
Source code of the chapters of the book 3D Game Development with LWJGL
Easy fine console input/output for java
Play Tute playing card game
A platform for Artificial Intelligence experimentation on Minecraft
Web powered cross-platform 3D, WebXR game engine
Flex roguelike
A Java light, open source first person shooter,with editors.
A two-dimensional classic game of Chess.
scriptable game engine with built-in support for 2D graphics and sound
A mobile game distributed server implemented using netty4.X
The Atomic Game Engine is a multi-platform 2D and 3D engine
Massive Multiplayer Online Wargame Leveraging the Internet
A snarky 2D management game about building and running a dungeon.
2D ARPG Engine
Massively multiplayer online game server and client framework
tiny code, html webcam game or plug brain in each blob, java server