Godot 3D World Building
thedivergentai/GD-Agentic-Skills
Expert patterns for 3D level design using GridMap with MeshLibrary, CSG constructive solid geometry, occlusion, and runtime GridMap builders.
Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript.
Install Game Engine
$ npx skills add github/awesome-copilot --skill game-engine -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install github/awesome-copilot game-engine --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/game-engine .claude/skills/game-engine && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .claude/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/github/awesome-copilot/tree/main/skills/game-engineType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add github/awesome-copilot --skill game-engine -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install github/awesome-copilot game-engine --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/game-engine .agents/skills/game-engine && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .agents/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add github/awesome-copilot --skill game-engine -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install github/awesome-copilot game-engine --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/game-engine .cursor/skills/game-engine && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .cursor/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/github/awesome-copilot.git --path skills/game-engine--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add github/awesome-copilot --skill game-engine -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install github/awesome-copilot game-engine --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/game-engine .gemini/skills/game-engine && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .gemini/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install github/awesome-copilot game-engineInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add github/awesome-copilot --skill game-engine -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/game-engine .github/skills/game-engine && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .github/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add github/awesome-copilot --skill game-engine -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install github/awesome-copilot game-engine --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/github/awesome-copilot.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/game-engine .opencode/skills/game-engine && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "game-engine" agent skill from https://github.com/github/awesome-copilot/tree/main/skills/game-engine into .opencode/skills/game-engine/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "game-engine", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
game-engine- GitHub stars
- 40k
- Used in
- 1 other repo
- Token cost
- ~1.6k tokens
- SKILL.md length
- 747 words
- Files
- 15 (incl. references, assets)
- Skills in repo
- 417
- Repo updated
- First seen
- Licence
- MIT
At a glance
Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript.
- Works in 3 steps: Process Input - Read keyboard, mouse,… → Update State - Update game object… → Render - Draw the current game state to…
- Asked to create games
- SKILL.md covers When to Use This Skill, Prerequisites, Core Concepts and Step-by-Step Workflows, plus 3 more sections
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Game Engine is an agent skill from github/awesome-copilot, published by the product's own GitHub organization. Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript. Use when asked to create games, build game engines, implement game physics, handle collision detection, set up game loops, manage sprites, add game controls, or work with 2D/3D rendering. Covers techniques for platformers, breakout-style games, maze games, tilemaps, audio, multiplayer via WebRTC, and publishing games.
Its SKILL.md is about 1.6k tokens, which your agent loads only when the skill is triggered. The skill folder holds 16 other files, including reference files and assets (for example `assets/2d-maze-game.md`, `assets/2d-platform-game.md` and `assets/gameBase-template-repo.md`).
It sits in Game Development, covering Game development, 3D graphics and WebGL and Sprites and pixel art. It works with JavaScript. The repository describes itself as: Community-contributed instructions, agents, skills, and configurations to help you make the most of GitHub Copilot. The licence is MIT.
When your agent uses it
- Asked to create games
- Build game engines
- Implement game physics
- Handle collision detection
Example prompts
- “/game-engine”
Requirements
- Node.js
Workflow steps
3 steps, taken from the first numbered list in SKILL.md.
- Process Input - Read keyboard, mouse, touch, or gamepad input
- Update State - Update game object positions, physics, AI, and logic
- Render - Draw the current game state to the screen
What it can do on your machine
Read from SKILL.md and the folder at commit 727ff2e. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Game Engine loads about 1.6k tokens when it runs, and up to ~56k if it reads all its reference files. Until then it costs about 109 tokens; SKILL.md has 747 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from github/awesome-copilot at commit 727ff2e, republished under its MIT licence (© github). 747 words, ~1,581 tokens.
Download SKILL.mdSave it as
.claude/skills/game-engine/SKILL.md (or your agent's skills folder). This skill also uses 14 other files; get the full folder from GitHub.- name
- game-engine
- description
- Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript. Use when asked to create games, build game engines, implement game physics, handle collision detection, set up game loops, manage sprites, add game controls, or work with 2D/3D rendering. Covers techniques for platformers, breakout-style games, maze games, tilemaps, audio, multiplayer via WebRTC, and publishing games.
Game Engine Skill
Build web-based games and game engines using HTML5 Canvas, WebGL, and JavaScript. This skill includes starter templates, reference documentation, and step-by-step workflows for 2D and 3D game development with frameworks such as Phaser, Three.js, Babylon.js, and A-Frame.
When to Use This Skill
- Building a game engine or game from scratch using web technologies
- Implementing game loops, physics, collision detection, or rendering
- Working with HTML5 Canvas, WebGL, or SVG for game graphics
- Adding game controls (keyboard, mouse, touch, gamepad)
- Creating 2D platformers, breakout-style games, maze games, or 3D experiences
- Working with tilemaps, sprites, or animations
- Adding audio to web games
- Implementing multiplayer features with WebRTC or WebSockets
- Optimizing game performance
- Publishing and distributing web games
Prerequisites
- Basic knowledge of HTML, CSS, and JavaScript
- A modern web browser with Canvas/WebGL support
- A text editor or IDE
- Optional: Node.js for build tooling and local development servers
Core Concepts
The following concepts form the foundation of every web-based game engine.
Game Loop
Every game engine revolves around the game loop -- a continuous cycle of:
- Process Input - Read keyboard, mouse, touch, or gamepad input
- Update State - Update game object positions, physics, AI, and logic
- Render - Draw the current game state to the screen
Use requestAnimationFrame for smooth, browser-optimized rendering.
Rendering
- Canvas 2D - Best for 2D games, sprite-based rendering, and tilemaps
- WebGL - Hardware-accelerated 3D and advanced 2D rendering
- SVG - Vector-based graphics, good for UI elements
- CSS - Useful for DOM-based game elements and transitions
Physics and Collision Detection
- 2D Collision Detection - AABB, circle, and SAT-based collision
- 3D Collision Detection - Bounding box, bounding sphere, and raycasting
- Velocity and Acceleration - Basic Newtonian physics for movement
- Gravity - Constant downward acceleration for platformers
Controls
- Keyboard - Arrow keys, WASD, and custom key bindings
- Mouse - Click, move, and pointer lock for FPS-style controls
- Touch - Mobile touch events and virtual joysticks
- Gamepad - Gamepad API for controller support
Audio
- Web Audio API - Programmatic sound generation and spatial audio
- HTML5 Audio - Simple audio playback for music and sound effects
Step-by-Step Workflows
Creating a Basic 2D Game
- Set up an HTML file with a
<canvas>element - Get the 2D rendering context
- Implement the game loop using
requestAnimationFrame - Create game objects with position, velocity, and size properties
- Handle keyboard/mouse input for player control
- Implement collision detection between game objects
- Add scoring, lives, and win/lose conditions
- Add sound effects and music
Building a 3D Game
- Choose a framework (Three.js, Babylon.js, A-Frame, or PlayCanvas)
- Set up the scene, camera, and renderer
- Load or create 3D models and textures
- Implement lighting and shaders
- Add physics and collision detection
- Implement player controls and camera movement
- Add audio and visual effects
Show full SKILL.md (298 more words)Show less
Publishing a Game
- Optimize assets (compress images, minify code)
- Test across browsers and devices
- Choose distribution platform (web, app stores, game portals)
- Implement monetization if needed
- Promote through game communities and social media
Game Templates
Starter templates are available in the assets/ folder. Each template provides a complete, working example that can be used as a starting point for a new project.
| Template | Description |
|---|---|
paddle-game-template.md | 2D Breakout-style game with pure JavaScript |
2d-maze-game.md | Maze game with device orientation controls |
2d-platform-game.md | Platformer game using Phaser framework |
gameBase-template-repo.md | Game base template repository structure |
simple-2d-engine.md | Simple 2D platformer engine with collisions |
Reference Documentation
Detailed reference material is available in the references/ folder. Consult these files for in-depth coverage of specific topics.
| Reference | Topics Covered |
|---|---|
basics.md | Game development introduction and anatomy |
web-apis.md | Canvas, WebGL, Web Audio, Gamepad, and other web APIs |
techniques.md | Collision detection, tilemaps, async scripts, audio |
3d-web-games.md | 3D theory, frameworks, shaders, WebXR |
game-control-mechanisms.md | Touch, keyboard, mouse, and gamepad controls |
game-publishing.md | Distribution, promotion, and monetization |
algorithms.md | Raycasting, collision, physics, vector math |
terminology.md | Game development glossary |
game-engine-core-principles.md | Core design principles for game engines |
Troubleshooting
| Issue | Solution |
|---|---|
| Canvas is blank | Check that you are calling drawing methods after getting the context and inside the game loop |
| Game runs at different speeds | Use delta time in update calculations instead of fixed values |
| Collision detection is inconsistent | Use continuous collision detection or reduce time steps for fast-moving objects |
| Audio does not play | Browsers require user interaction before playing audio; trigger playback from a click handler |
| Performance is poor | Profile with browser dev tools, reduce draw calls, use object pooling, and optimize asset sizes |
| Touch controls are unresponsive | Prevent default touch behavior and handle touch events separately from mouse events |
| WebGL context lost | Handle the webglcontextlost event and restore state on webglcontextrestored |
© github, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 14 other files (references, assets) in skills/game-engine of github/awesome-copilot.
- SKILL.md
- assets/2d-maze-game.md
- assets/2d-platform-game.md
- assets/gameBase-template-repo.md
- assets/paddle-game-template.md
- assets/simple-2d-engine.md
- references/3d-web-games.md
- references/algorithms.md
- references/basics.md
- references/game-control-mechanisms.md
- references/game-engine-core-principles.md
- references/game-publishing.md
- references/techniques.md
- references/terminology.md
- references/web-apis.md
Open the folder on GitHubat commit 727ff2e
Used in 1 other repository
We found 1 copy of this SKILL.md (exact, near-identical or edited) in other folders, from 1 other GitHub owner. This page covers the copy in github/awesome-copilot, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Game Engine next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Game Engine this skillgithub/awesome-copilot | 40k | 1 repos | ~1.6k | Automated safety check: Pass | MIT | |
| Godot 3D World Buildingthedivergentai/GD-Agentic-Skills | 803 | — | ~3.3k | Automated safety check: Pass | LGPL-3.0 | |
| Game Assetsglifxyz/glif-mcp-server | 212 | — | ~831 | Automated safety check: Pass | MIT | |
| Godot Camera Systemsjame581/GodotPrompter | 792 | — | ~2.8k | Automated safety check: Pass | MIT | |
| Build Vesperfall Review Assetsnirholas/three.ws | 226 | 1 repos | ~870 | Automated safety check: Pass | Apache-2.0 | |
| Build Isometric Arpgnirholas/three.ws | 226 | 1 repos | ~587 | Automated safety check: Pass | Apache-2.0 |
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Related
Works with
Categories
Questions about Game Engine
What does Game Engine do?
Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript. Game Engine is an agent skill from github/awesome-copilot, published by the product's own GitHub organization. Expert skill for building web-based game engines and games using HTML5, Canvas, WebGL, and JavaScript.
When should I use Game Engine?
Game Engine fits situations like: asked to create games; build game engines; implement game physics; handle collision detection.
How do I install Game Engine in Claude Code?
Run `npx skills add github/awesome-copilot --skill game-engine -a claude-code`. Or copy the skill folder (skills/game-engine in github/awesome-copilot) into .claude/skills/game-engine in your project. Claude Code loads it when a task matches its description.
How do I install Game Engine in Codex?
Run `npx skills add github/awesome-copilot --skill game-engine -a codex`. Or copy the skill folder (skills/game-engine in github/awesome-copilot) into .agents/skills/game-engine in your project. Codex loads it when a task matches its description.
Can I use Game Engine in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add github/awesome-copilot --skill game-engine -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/game-engine, .gemini/skills/game-engine, .github/skills/game-engine and .opencode/skills/game-engine in your project.
What does Game Engine need to run?
SKILL.md names no scripts, command-line tools or credentials: Game Engine is instructions for the agent only. Our summary lists: Node.js.
Does Game Engine access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Game Engine safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Game Engine use?
Game Engine is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Game Engine use?
About 1.6k tokens (SKILL.md is roughly 6.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 54k tokens, read only when the agent opens those files.
What are the alternatives to Game Engine?
Skills that share tags, products or a category with Game Engine: Godot 3D World Building (thedivergentai/GD-Agentic-Skills, 803 stars), Game Assets (glifxyz/glif-mcp-server, 212 stars), Godot Camera Systems (jame581/GodotPrompter, 792 stars) and Build Vesperfall Review Assets (nirholas/three.ws, 226 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Game Engine?
github (a GitHub organization, an official publisher) maintains it in github/awesome-copilot, which has 39,748 GitHub stars. The repository holds 417 skills in this directory. The repository was last updated on October 7, 2026.
Source: github/awesome-copilot on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.