Invoke when the user wants to brainstorm game ideas, explore concepts, run structured ideation, or develop a new game concept from scratch. Triggers on: "game idea", "brainstorm", "concept", "ideation", "what if", "game concept", "pitch". Do NOT invoke for reviewing existing designs (use game-design-review) or market analysis (use game-market-research). Part of the AlterLab GameForge collection.
Install
npx skills add AlterLab-IEU/AlterLab_GameForge --skill game-brainstormnpx skills add AlterLab-IEU/AlterLab_GameForge --skill game-brainstorm -a claude-code -gnpx skills add AlterLab-IEU/AlterLab_GameForge --skill game-brainstorm -a codex -ggemini skills install https://github.com/AlterLab-IEU/AlterLab_GameForge.git --path skills/workflows/game-brainstormgh skill install AlterLab-IEU/AlterLab_GameForge game-brainstormgit 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-brainstorm ~/.claude/skills/game-brainstorm # Claude Code
cp -R /tmp/AlterLab-IEU__AlterLab_GameForge/skills/workflows/game-brainstorm ~/.agents/skills/game-brainstorm # Codex, Cursor, Gemini CLI, Copilot, OpenCode