Design game experience, systems, and levels. Converge the chosen concept into one GAME_DESIGN defining the player promise, core loop, how the world responds, the systems actually needed, level pacing, feedback, failure, and a fully playable prototype.
Install
npx skills add zenstory-ai/novel-to-game --skill game-world-designnpx skills add zenstory-ai/novel-to-game --skill game-world-design -a claude-code -gnpx skills add zenstory-ai/novel-to-game --skill game-world-design -a codex -ggemini skills install https://github.com/zenstory-ai/novel-to-game.git --path skills/game-world-designgh skill install zenstory-ai/novel-to-game game-world-designgit clone --depth 1 https://github.com/zenstory-ai/novel-to-game /tmp/zenstory-ai__novel-to-game
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/zenstory-ai__novel-to-game/skills/game-world-design ~/.claude/skills/game-world-design # Claude Code
cp -R /tmp/zenstory-ai__novel-to-game/skills/game-world-design ~/.agents/skills/game-world-design # Codex, Cursor, Gemini CLI, Copilot, OpenCode