game-ui

unity-ui-document-design-system

C#

82

Drop-in design system for Unity 6 UI Toolkit (UIDocument + PanelRenderer, UXML + USS): tokens, 24 components, 63 icons, mobile-responsive, dark-themed. One stylesheet, zero dependencies. Battle-tested in a shipping cross-play game.

threejs-game-skills

Python

90

Agent skills for building playable, polished Three.js browser games with gameplay, AAA-style graphics, UI, QA, and optional AI-generated 3D, image, and audio assets.

gorest-2d-animation-spritesheet-generator

TypeScript

90

Codex-assisted local 2D animation spritesheet generator and scene compositing workspace.

awesome-gamedev-agent-skills

Python

82

Game-development Agent Skills for AI coding agents: install once and a master router loads the right skill for your engine and task. 66 original, version-pinned skills (plus a master router) in the portable SKILL.md format that runs across Claude Code, Cursor, Codex, Copilot, Gemini CLI and more, for Godot, Unity, Unreal, web and beyond.

lore

Rust

85

Lore is a next-generation, open source version control system

GameBlocks

JavaScript

77

Concise and self-explanatory building blocks that help coding agents prototype browser-based 3D games.