Spot the Difference
Two nearly identical scenes — find every difference before the clock runs out.
One tile is slightly different from the rest — spot it as grids grow bigger.
Yes — Odd One Out is completely free on BrainPlay. It runs in your browser with no download, no sign-up and no paywall.
Yes. Odd One Out is touch-optimized and works on phones, tablets and desktops. Your best results are saved automatically on your device.
Odd One Out primarily exercises reaction speed and visual attention. Short daily sessions are the most effective way to improve.