Invoke when the user wants to plan, execute, or analyze a structured playtest session with behavioral observation. Covers protocol design, observer guides, and data synthesis. Triggers on: "playtest", "player feedback", "usability test", "observation session", "playtest analysis". Do NOT invoke for QA bug testing (use game-qa-lead) or balance tuning (use game-balance-check).
Install
npx skills add AlterLab-IEU/AlterLab_GameForge --skill game-playtestnpx skills add AlterLab-IEU/AlterLab_GameForge --skill game-playtest -a claude-code -gnpx skills add AlterLab-IEU/AlterLab_GameForge --skill game-playtest -a codex -ggemini skills install https://github.com/AlterLab-IEU/AlterLab_GameForge.git --path skills/workflows/game-playtestgh skill install AlterLab-IEU/AlterLab_GameForge game-playtestgit clone --depth 1 https://github.com/AlterLab-IEU/AlterLab_GameForge /tmp/AlterLab-IEU__AlterLab_GameForge
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/AlterLab-IEU__AlterLab_GameForge/skills/workflows/game-playtest ~/.claude/skills/game-playtest # Claude Code
cp -R /tmp/AlterLab-IEU__AlterLab_GameForge/skills/workflows/game-playtest ~/.agents/skills/game-playtest # Codex, Cursor, Gemini CLI, Copilot, OpenCode