Reliable & unreliable messages over UDP. Robust message fragmentation & reassembly. P2P networking / NAT traversal. Encryption.
- reliable-messages
- networking
- game-development
- realtime-messaging
Repository Index
47,133 repositories indexed
25–48 of 481 · Most stars
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D engine that enables developers and content creators to build AAA games, cinema-quality 3D worlds, and high-fidelity simulations without any fees or commercial obligations.
- 3d-graphics-engine
- 3d-graphics
- animation
- game-development
Entitas is a super fast Entity Component System (ECS) Framework specifically made for C# and Unity
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
- differential-testing
- game-engine
- linux
- minecraft
The Ren'Py Visual Novel Engine
- renpy
- visual-novel
- python
- game-engine
OpenMW is an open-source open-world RPG game engine that supports playing Morrowind. Main repo and issue tracker can be found here: https://gitlab.com/OpenMW/openmw/
- openmw
- c-plus-plus
- rpg-engine
- tes
A modern & fully featured HTML5 game engine (2D & 3D) for JavaScript/TypeScript, with WebGL/WebGPU rendering, built-in physics, Tiled map & glTF support and WebAudio.
- html5-game-engine
- javascript-game-engine
- 2d
- agent-skills
A procedural textures authoring and 3D model painting tool based on the Godot game engine
- godotengine
- glsl
- procedural-generation
- texture-synthesis
💬 Create Dialogs, Visual Novels, RPGs, and manage Characters with Godot to create your Game!
2D and 3D physics engines focused on performance.
A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter
- minecraft
- fabric
- neoforge
244 pixel art effects, every one a small piece of code. Plus a Claude Code skill to make your own.
- agent-skills
- animation
- canvas
- claude-code-plugin
2D JavaScript Physics Engine
- game-development
- javascript
- physics-engine
- box2d
Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU
- game-engine
- open-source
- panda3d
- cross-platform
Classic Tomb Raider open-source engine
- tombraider
- openlara
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers, desktops and mobile devices.
Disassembly of Pokémon Red/Blue
- pokemon
- disassembly
- gameboy
- reverse-engineering
Open-source, cross-platform, C++ game engine for creating 2D/3D games.
- open-source
- cross-platform
- c-plus-plus
- engine
A 2D horror-survival and escape game built from scratch in C++. Navigate unsettling levels, survive the glitches, and escape the nightmare. Features a custom C++ game core, robust asset management, and comprehensive system architecture documentation.
- 2d-game
- cmake
- cpp
- custom-game-engine
Java / JavaFX / Kotlin Game Library (Engine)
A high performance, editable terrain system for Godot 4.
- godot-plugin
- godot4
- terrain
- gamedev-tool
Cross-platform game engine in Rust.
SpartanPort: unofficial PC port of God of War III Remastered (PS4) for Windows and Linux (AppImage). Original x86-64 code runs directly on the CPU with a custom runtime; graphics use shadPS4's Vulkan video core. Launcher, in-game menu, controller icons and up to 240 FPS. Requires your own game dump. No game files included.
- game-preservation
- god-of-war
- pc-port
- ps4
AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token usage, advanced tools. Any C# method may be turned into a tool by a single line. Works with Claude Code, Gemini, Copilot, Cursor and any other absolutely for free.
- ai
- ai-integration
- game-development
- mcp