How to play
- 1
Watch a ball bounce, then disappear.
- 2
Imagine the rest of its path off-screen.
- 3
Tap the spot where you think it is hiding.
What this test measures
This game measures spatial reasoning and path prediction. You continue a bounce trajectory in your head after the ball is no longer visible.
Score guide
| Grade | Range |
|---|---|
| Physicist | 10+ level |
| Excellent | 7–9 level |
| Good | 5–6 level |
| Average | 3–4 level |
| Beginner | 1–2 level |
| Novice | 0 level |
FAQ
- How is the score counted?
- Your score is the highest level of correct hide-spot predictions.
- Does the ball keep bouncing after it vanishes?
- Yes. Treat walls as bounce surfaces and tap where it would be when time is up.
- Can I see a ghost trail?
- No. Once it disappears, you rely on the motion you already saw.
- Is this a clinical spatial test?
- No. It is a prediction game, not a medical assessment.