Guide

A memory game for adults

Bright objects, but a real challenge. The board keeps growing until your memory gives in.

Odd One In looks playful, but its difficulty is real. The board keeps growing all game long, look-alike objects appear, and some rounds shuffle every position.

Short games, rising difficulty

A game lasts a few minutes. The first rounds are easy; the board then fills up and the new object can appear anywhere.

A reason to come back

The Daily Challenge, three daily missions, levels, six worlds to unlock and twelve badges give each day something new.

Exercise for attention

The game asks for focus and visual memory. It is a game, not a treatment: play it because it is fun.

Free, without an account

Odd One In is free with ads. There is no purchase, no subscription and no account.

Other guides

How to play

Like a spot-the-difference game, but the difference is always one new object, and the board keeps growing.

Tips

Six habits that help you see the new object sooner. They work in every world and every mode.

Visual memory test

Each round adds one object to remember. Your score shows how far your visual memory goes.

Offline

On a plane, in the subway, abroad without data: Odd One In plays the same, daily challenge included.

Which object is new?

One new object per round. Free, offline, in your language.