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Dot Estimation Test

Dots flash up and vanish. Do not count them — estimate. As the levels rise there are more dots and less time, until counting one by one becomes impossible. The error is measured relative to the true number, so later levels do not become unfairly generous.

🎮 Your best scores stay on this device. No sign-up, nothing uploaded.

1

Level

0

Score

—

Best

The dots flash for a moment — guess how many there were.

What this game does

  • Dot count and display time both tighten
  • Error scored relative to the true number
  • Points accumulate level by level
  • Keeps your best score

Other games

Rhythm TestKeep the beat after the sound stopsColour Discrimination TestFind the one square that is a slightly different colourHearing Frequency TestFind out how high a frequency you can hearN-Back TestRemember what was n steps back

These are for fun, not diagnostic tests. Scores shift with your screen, mouse and how tired you are.