Number Order· Advanced

Goal

Tap the numbers on the grid in ascending order as fast as you can.

How to Play

  • A grid of randomly placed numbers appears
  • Starting from 1, tap numbers in ascending order
  • Tapping a wrong number counts as an error

Completed Example

123456789

Tip

  • Keep your eyes fixed on the center and use peripheral vision to find numbers
  • While finding the current number, scan ahead for the next one

This game is based on an attention assessment task devised by German psychologist Walter Schulte in the 1950s. It measures visual scanning ability and sustained attention, widely used in psychology and sports training.

  • Schulte, W. (1960). Visual scanning tasks in mental health and attention research