✦ YOUR DAILY BRAIN BREAK 100% FREE

One of these doesn't
belong here.

Five visual puzzles that go from obvious to almost impossible. Think you have eagle eyes?

✦ No signup◷ 4 real difficulty levels↗ Share your results
THE CHALLENGE · V2

Find the odd one.

Tap the one tile that's different.

✷DAILY · 1 OF 5
Warm-up • 5×5TINY DETAILS. BIG DIFFERENCE.
TIME LEFT--:--
ROUND01 / 05
SMALL GAME. BIG BRAIN ENERGY.

A fun little habit
for your mind.

No accounts, no endless scrolling, no complicated rules. Just a fresh little challenge to look forward to.

Is OddOne Daily free?

Yes! Every challenge and practice puzzle is free, with no registration.

When do new puzzles arrive?

Five puzzles refresh at 00:00 UTC. Each round is harder than the last; unlimited Expert practice is always available.

How is my progress saved?

Your score and streak are stored locally in this browser on your device. We do not require personal information.