Trending Game engines repos

A free, open source C# framework for making games, or your own game engine. Direct access to native APIs and Vulkan, with the low-level libraries around them. The foundation under Kitten Space Agency and RimWorld's Waylith engine.

Professional Blender 5.2 workflows as Agent Skills for Claude Code, Codex, Gemini CLI, Copilot and Cursor: modeling, UVs, PBR, baking, rigging, animation, export and QA.

PC port of GE for Windows and Linux, built from the N64 decompilation. Widescreen, mouse look, modern controller support and in-game settings. Co-op, netplay and mods in development.

Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.

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 survivors roguelite running on a from-scratch World of Warcraft 1.12.1 client engine (Rust + Bevy).

Fast, unofficial Plex client for LG webOS TVs — native 60 fps UI, 4K HEVC/Dolby Vision, no Chromium or WebView.

Experimental native PC runtime for Kingdom Hearts 358/2 Days, developed alongside the matching Nintendo DS decompilation. No copyrighted game data included.

74 game-dev skills for AI coding agents — Godot, Unity, Unreal, Phaser, PixiJS, three.js, Bevy, pygame, LÖVE, Roblox. Portable SKILL.md Agent Skills (the format Anthropic launched as Claude Skills), with a router that loads the right skill for your engine and task. Runs in Claude Code, Cursor, Kiro, Codex, Copilot, Gemini CLI and more.

A server-authoritative co-op multiplayer starter for Godot 4 with a ready-up lobby, client-side prediction, reconciliation and validated RPCs.

AssetFurnace: the most complete open-source image-to-3D pipeline (Oct 2026). Prompt or picture → textured, rigged, animated game character, locally on Apple Silicon or NVIDIA. Pixal3D, TRELLIS.2, Hunyuan3D, SF3D, auto-rig and 21 moves. For indie game devs and 3D artists. Free, Apache-2.0.

Building a Neural Network-Native Engine (3N). Python authoring, C++ runtime, Vulkan/WebGPU. Windows, Linux, Android and Web.

Native PC port of the Xbox 360 XBLA game Dead Rising 2: Case West, by static recompilation. Windows and Linux, Vulkan, keyboard/mouse and controller. You supply your own copy of the game.

ECS framework for on-chain games on Stellar 🎮

Turn Claude Code into a full game dev studio — 49 AI agents, 72 workflow skills, and a complete coordination system mirroring real studio hierarchy.

Static recompilation of a PSP game into a native executable. Vulkan and SDL3. Bring your own copy of the game.

OMSI 2 recreated from scratch in Rust, compatible with every map and mod (requires the original OMSI 2)

Unity MCP acts as a bridge between AI assistants and your Unity Editor. Give your LLM tools to manage assets, control scenes, edit scripts, and automate tasks within Unity.

Experimental Fallout: New Vegas engine reimplementation in Rust and Bevy. Requires your own game data; base-game foundations first.

Curated list of games rebuilt inside other games — cross-game mechanics, engine/runtime mashups, playable ports, and verified viral projects.