{"schemaVersion":1,"record":{"key":"lens/schell-021","type":"lens","id":"schell-021","lang":"en","title":"Flow","summary":"Align a clear goal, focused attention and an achievable challenge.","updatedAt":"2026-10-10","status":"active","url":"https://gamemechanics.pro/en/knowledge/lens/schell-021/","jsonUrl":"https://gamemechanics.pro/api/v1/knowledge/en/lens/schell-021.json","markdownUrl":"https://gamemechanics.pro/content/knowledge/en/lens/schell-021.md","aliases":["Flow","21"],"tags":["Player and motivation"],"sourceIds":["source-a5287443699910bb","source-f546a7168effffbb"],"sources":[{"id":"source-a5287443699910bb","title":"Schell: 113 second-edition lenses","url":"https://schellgames.com/art-of-game-design","verifiedAt":null},{"id":"source-f546a7168effffbb","title":"Flow","url":"https://deck.artofgamedesign.com/","verifiedAt":null}],"sections":[{"id":"principle","title":"Principle","body":"Align a clear goal, focused attention and an achievable challenge."},{"id":"checks","title":"Review questions","body":"- Where is the player bored, and where do they lose a path to success?\n- How does the next step build on the skill already learned?"},{"id":"attribution","title":"Attribution and limits","body":"Jesse Schell · Schell: 113 second-edition lenses\n\nThe concise explanations and review questions are original gamemechanics.pro wording. This is an independent reference, not a translation of the cards or a substitute for the book. Names, concepts and external material remain their authors’ work."}],"relations":[],"placements":[{"title":"In the original collection","url":"https://gamemechanics.pro/en/lenses/#schell-021"}],"supersededBy":[],"attributes":{"number":"21","theme":"player","author":"Jesse Schell","originalTitle":"Flow","referenceUrl":"https://deck.artofgamedesign.com/"},"endsAt":null,"provenance":"Original editorial explanations and review questions based on the user-selected Schell notes and attributed primary references. External concepts and source material retain their rights.","license":"CC-BY-4.0","codeLicense":"MIT","attribution":"gamemechanics.pro contributors"}}