Havuz

A code-only world engine for AI agents: build whole towns and landscapes in three.js as code (pre-alpha)

The game engine built for AI agents. Games are JSON, errors come with fixes, and agents play-test their own games headlessly.

Native PSP engine for The Simpsons: Hit & Run (PS2), written in C with PSPSDK. Not an emulator: data is converted from your own disc, runs o

AI-native, mixed-reality, self-evolving open world engine. 11-layer architecture, 5 platforms (PC / Mobile / Web / AR / BCI-reserved).

Code-first, agent-friendly 2D game engine: PixiJS + planck.js physics + Godot-style node tree. Runs in the browser and as a WeChat Mini Game

A tiny game engine that lets you share games as URLs

Grand Theft Auto IV's engine, being rewritten in Rust one function at a time by AI agents, for 64-bit Windows, Windows on ARM and macOS. Con

Mobile-first SCUMM-style point-and-click engine with authoring tools and an AI-friendly workflow

⚡ Write it once in TypeScript, run it natively everywhere. Desktop apps without a browser, games, 3D, video and hardware: from Mac, Windows

One Must Fall 2097, remastered: the 1994 robot fighting classic rebuilt in TypeScript and WebGL2, playing the original game files. HD artwor

Open source reimplementation of Little Fighter 2

Connect Luau Games to 100+ DataGrout Logic Cells and Batteries 2026

Atomic Game Engine 2026: C++ Luau TypeScript Multi-Platform Development

A 3D game engine in strict TypeScript: WebGPU with a WebGL2 fallback, deterministic physics, animation, audio, rollback netcode, DriftScript

率土模拟器（非官方）：《率土之滨》式回合制战斗的网页模拟器 —— 自由配将、8 回合推演、同一个种子永远打出同一场｜104 名上架武将 · 386 个战法

Rust game engine for huge physics scenes: 10,000 GPU-simulated cubes at 2,000+ FPS on an RTX 3060. Vulkan, editor, deterministic replay, age

Hermes3D is an open source 3D engine built on Hermes Agents for creating games, simulations, and high-performance 3D applications.

Isometric games made easy — an agentic game kit. 12 agent skills over 9 zero-dependency TypeScript packages. Type one sentence, get a playab

Browser-based HTML5 game editor and runtime: PixiJS 2D, Three.js 3D, React UI, and a TypeScript engine for multiple games

VibeGame: Vibe Your Dream Game -- An open-source self-evolving multi-agent framework with an AI-Native game engine that turns your natural l

A modular, extensible 2D game framework for .NET.

renew engine: an AI-first game engine in Rust, built to be operated. Bit-deterministic fixed-timestep simulation in Q47.16 fixed point, Vulk

Clean-room, open-source RTS engine compatible with Red Alert 2 + Yuri's Revenge data files. Playable with zero game files via a fully origin

AI-native, source-available (PolyForm Perimeter) game-dev toolkit: bforge — deterministic headless-Blender asset forge for AI agents (138 op

A Claude-friendly ECS game engine + visual editor — Three.js/WebGPU + PixiJS, React, Electron, Capacitor

A fast, moddable open-source platform fighter for the browser. Add fighters and stages as self-contained packs.

A modern, open-source reimplementation of the Cultures game series

Touhou 07 ~ Perfect Cherry Blossom in TypeScript — data-driven browser reimplementation (Full game playable, Sakuya A LNN Byte-Accurate), or

The best open-core MMORPG engine — Rust server + client, Bun/SolidJS operator web. Original IP, data-driven, horizontally scalable, AI-nativ

Hearth: an open-source, agent-native desktop app for agentic game development.

Play Morrowind in your browser — the OpenMW engine compiled to WebAssembly, now with multiplayer and a cloud locker for your own game data.

A modular, next-generation game engine built from scratch with C++23 and Vulkan. Powered by a data-oriented ECS architecture, a production-r

Ink-inspired interactive-fiction DSL: author-first, Chinese-friendly, cross-platform.

Creator, simulation reviewer, and portable player toolchain for binary-choice card narratives.

浏览器即玩的即时战略引擎（兼容 C&C 文件格式）· 多人锁步联机 · 由 AI 一晚从零写成 · 自备游戏文件，与 EA 无关

Turn any supported coding-agent harness into a full game-dev studio - 55 specialized AI agents and 182 skills for Godot, Unity, Unreal, Thre

Deterministic causality engine for AI roleplay.

The 3D Safe Modular game engine, written in Rust

Open-source C17 game engine and integrated editor focused on completing a full 3D development workflow, with first-class 2D and 2.5D planned

用 TypeScript 从零重写《仙剑奇侠传》（1995），浏览器里能通关，附可视化编辑器 · A from-scratch TypeScript remake of PAL (1995) with a visual editor. Unofficial fan project

A cross-platform 2D game engine with its own programming language and IDE.

Open-source MTG client for the web and desktop, with MTG Forge running in-browser via WebAssembly.

Skore Engine – Multi-platform 2D and 3D game engine

Mod your favourite games without writing code. Modmixer is a desktop app that decompiles/indexes your game and provides your AI coding LLM (

Open-Ended Long-Horizon Text Game Generation for Test-Time Continual Learning Agents

A next-generation AI-powered text adventure engine featuring dynamic storytelling, procedural world-building, and immersive visual/auditory

Agents for Role Play. Agents for Game. Agents as a Game. An orchestrator-agents engine for living worlds — file-backed, event-sourced.

A programmable, explicit world model on Godot — worlds are pure JSON run by a fixed primitives + interpreter engine. Built by Claude, for Cl

Open source game engine written in Beeflang

A multi / single player typescript threejs game engine for browser based games