It does not ask for your time or your signal.
Every board is solvableAll 9,999 stages are verified to have a solving order before they ship. No dead ends.
Works offlineThe first 1,000 stages ship inside the app. Underground or in the air, it just plays.
A new one each dayThe daily quest is fixed per date. Solve today's single board and be done.
4 kinds of twistsBounce, tunnel, indicator and shrink. New twists appear as you go, and the order changes.