Odd One Out

Every tile is the same colour — except one. Spot the odd tile and tap it. Each find shrinks the colour difference and grows the grid. A test of visual acuity.

Trains: Visual discrimination · Category: Attention & Speed

How to play: Odd One Out is a free, browser-based brain-training game in the Brain Gym suite. Play it instantly — no sign-up, works offline, and your best scores are saved on your device.

Play Odd One Out · All Brain Gym games