Odd One Out

One tile is slightly different from the rest — spot it as grids grow bigger.

Odd One Out — FAQ

Is Odd One Out free to play?

Yes — Odd One Out is completely free on BrainPlay. It runs in your browser with no download, no sign-up and no paywall.

Can I play Odd One Out on my phone?

Yes. Odd One Out is touch-optimized and works on phones, tablets and desktops. Your best results are saved automatically on your device.

What skills does Odd One Out train?

Odd One Out primarily exercises reaction speed and visual attention. Short daily sessions are the most effective way to improve.