One question at a time. Tap the numbers — it jumps to the next question the moment you finish an answer. No Enter key needed.
Keyboard works too: number keys, backspace, and the spacebar to skip.
Stuck? Tap skip and keep moving.
Every answer given here is counted, across all runs on this device. Darker squares need more work.
Lower is better. The dashed line is the pace that clears 100 questions in 3 minutes. Tap a point for details.
Results live in this browser only. Export a backup now and then, or import one on another device to carry every child's history across. Profiles are merged by name.