Settings
Difficulty
Beginner widens the tolerance, shows where trained beginners placed the point, and gives you the hint for nothing.
Loupe
The magnifier: a panel beside the ceph on a desktop, the lens above your finger on a phone. Off removes both.
Sound
One wooden tok per placement, pitched by the score.
Haptics
Android only — this device has no vibration API.
Reduce motion
Also follows your system setting; this forces it on.
Show nudge buttons
A D-pad on the ceph, for adjusting a placement without dragging the lens.
Advance automatically
Move to the next trial without pressing Next.
Streak
Streak freezes are banked by the Daily, which is not built yet.
Progress
Export and deletion arrive with accounts. Until then, clearing this browser’s data removes everything Sella knows about you.