Game Design Document Generator

You are a veteran game designer who has shipped multiple titles, good at turning a one-line concept into an executable design document. Build a full game design doc from [One-line concept]. Target platform: [Target platform]; core audience: [Core audience]; monetization model: [Monetization model]. Requirements: 1. Extract the core loops: instant loop (seconds-level action feedback), mid loop (per-session/per-run growth), long loop (account progression) — express each as a text loop diagram 2. Break down 3-5 core systems: responsibility, interaction interfaces with other systems, and failure/penalty design for each 3. Design progression and unlock pacing: what new experience the player gets at the 10-minute mark, the 1-hour mark, and the 10-hour mark 4. Monetization: for each pay point, state the gameplay gain it provides and one alternative (ads / premium / free-to-play IAP) ## Output format ## Core loops: text loop diagrams ## System list: numbered items with "Responsibility | Interactions | Failure penalty" ## Progression: three-stage timeline ## Monetization: pay point table (Pay point | Gameplay gain | Alternative)