The Unity Machine Learning Agents Toolkit (ML-Agents) is an open-source project that enables games and simulations to serve as environments for training intelligent agents using deep reinforcement learning and imitation learning.
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Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.
- cocos2d
- cocos2d-x
- game-engine
- c-plus-plus
♞ lichess.org: the forever free, adless and open source chess server ♞
- scala
- chess
- play-framework
- non-profit
A server software reimplementation for a certain anime game.
- java
- kcp
- server
- private-server
An open source re-implementation of RollerCoaster Tycoon 2 🎢
Docker image that provides a Minecraft Server for Java Edition that automatically installs/upgrades versions, modloaders, modpacks and more at startup
- minecraft-server
- dockerfiles
- docker-image
- hacktoberfest
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.
- cataclysm
- c-plus-plus
- game
- zombies
The most widely used, high performance Minecraft server that aims to fix gameplay and mechanics inconsistencies
- minecraft
- bukkit
- minecraft-server
- minecraft-api
Fast PlayStation 1 emulator for x86-64/AArch32/AArch64/RV64
Pterodactyl® is a free, open-source game server management panel built with PHP, React, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to end users.
The source code to VVVVVV! http://thelettervsixtim.es/
A game server framework in Go (golang)
- leaf
- go
- golang
- game-server
The command-line tool for quick, simple deployment and management of Linux dedicated game servers.
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
Lightweight, facility, high performance golang based game server framework
Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
- game-server
- golang-application
- game-framework
- game
Scalable Distributed Game Server Engine with Hot Swapping in Golang
- golang
- rpc
- entity-framework
- packets
Free, open source game server management panel built on Laravel and Docker.
Python MUD/MUX/MUSH/MU* development system
- mud
- mux
- mush
- python
A centralized game library/collection management service with a focus on emulation
PufferPanel is an open source game server management panel, designed for both small networks and personal use
- game-server
- minecraft
- srcds
- panel
Allows of newer clients to connect to older server versions for Minecraft servers.
- minecraft
- plugin
- spigot
- bukkit