Discover the best Gamedev open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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.
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
Your coding agent paints pixel art in the Aseprite window you already have open. MCP server + skills for Claude Code, omp, Codex, Gemini CLI and Cursor — draws, looks at its work, animates and exports. Gallery and benchmark: pixeli.pebbly.space
The open-source studio for making games with AI. Your own one-person game studio. Everything you need to make games with AI, in one app. Game canvas. Bring your own key.
A refreshingly simple data-driven game engine built in Rust
Generate clean 2D game sprites & animation atlases — component-row pipeline: state rows, alpha cleanup, frame extraction, runtime atlases. Codex/Claude skill.
Tiny fast 2D/3D HTML5 game engine with many features and no dependencies.
Desktop app for game dev with AI: make games in Unreal Engine, Unity, Godot or the browser. The agent sets up the engine, builds your game and play-tests it by itself.
Powerful web graphics runtime built on WebGL, WebGPU, WebXR and glTF
Empowering everyone to host fast and efficient Minecraft servers
Unreal Engine Vibe Coding tool
Redot Engine – Multi-platform 2D and 3D game engine
Space exploration, trading, and combat game.
A networking library to make multiplayer games for the Bevy game engine
Open-source roguelike shooter for Android. Simple controls, no ads, no tracking, no internet permission. Free forever under GPLv3.
Curated, CC0 reference hub for 3D, VFX, and game dev. 3,400+ tools, assets, and tutorials across 12 sections. Searchable, filterable, free.
High-performance Minecraft: Rust Edition client written from scratch in Rust and Vulkan. Joins vanilla servers 1.20–26.3.
Scalable open-source game backend server: multiplayer, matchmaking, leaderboards, chat, and social features for games.
Game engine for 2D and 3D projects with entity component system (ECS) and data-oriented design
A World of Tanks-style armored combat simulator built directly with Three.js and Vite: 220 vehicles, 33 destructible battlefields, and 13 modes, with plate-level armor, ballistics, modules, spotting, and physics. Play in your browser on desktop or mobile. Built end-to-end by a multi-agent Claude/Codex pipeline.