game-playtest
Run browser-game playtests and frontend QA. Use when the user asks for smoke tests, screenshot-based verification, browser automation, HUD or overlay review, or structured issue-finding in a browser game.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/openai/plugins --skill game-playtest- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads game-playtest automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Game Playtest
Overview
Use this skill to test browser games the way players experience them: through boot, input, scene transitions, HUD readability, and visual state changes. Prefer browser automation and screenshot review when the project supports it.
Preferred Workflow
- Boot the game and confirm the first actionable screen.
- Exercise the main verbs.
- Capture screenshots from representative states.
- Check the UI layer independently from the render layer.
- Report findings in severity order with reproduction steps.
Tooling Guidance
- Prefer Playwright or equivalent browser automation already available in the repo.
- When the game is canvas or WebGL heavy, screenshots are mandatory because DOM assertions alone miss visual regressions.
- Use screenshots to judge playfield obstruction and HUD weight, not just correctness of text or layout.
- When deterministic automation is not practical, do a structured manual pass and capture evidence.
- For 3D rendering bugs or unexplained frame cost, use SpectorJS and browser performance tooling rather than guessing from code alone.
Common Checks
2D checks
- sprite alignment and baseline consistency
- hit or hurt animation readability
- HUD overlap with the playfield
- command menu state changes
- tile or platform readability
- input-state feedback and turn-state clarity
3D checks
- first-load playability versus dashboard-like chrome
- persistent overlay weight versus playfield visibility
- camera control and camera reset behavior
- pointer-lock or drag-look transitions when menus and overlays open
- depth readability and silhouette clarity
- secondary panels collapsed or dismissible during normal play
- resize behavior
- WebGL context loss or renderer fallback behavior
- material or lighting regressions
- GLB or texture streaming stalls
- collision proxy or physics mismatch
- performance cliffs tied to post-processing or asset load
Responsive and Browser Checks
- desktop and mobile viewport sanity
- safe-area and notch issues where relevant
- reduced-motion behavior for UI transitions
- keyboard, pointer, and pause-state handling
- React state and scene state synchronization when the project uses React Three Fiber
Reporting Standard
Lead with findings. Keep each finding concrete:
- what the user sees
- how to reproduce it
- why it matters
- what likely subsystem owns it
References
- Shared architecture:
../web-game-foundations/SKILL.md - Frontend review cues:
../game-ui-frontend/SKILL.md - 3D debugging notes:
../../references/webgl-debugging-and-performance.md - Full checklist:
../../references/playtest-checklist.md
FAQ
What does the game-playtest skill do?
Run browser-game playtests and frontend QA. Use when the user asks for smoke tests, screenshot-based verification, browser automation, HUD or overlay review, or structured issue-finding in a browser game.
How do I install game-playtest?
Run npx skills add https://github.com/openai/plugins --skill game-playtest in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/game-playtest/ (personal) or .claude/skills/game-playtest/ (project).
Which AI agents can use game-playtest?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is game-playtest safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains game-playtest?
It is published by openai in openai/plugins, and it is an official skill from the maker of the technology it covers. It has 68 recorded installs.
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