Odd One Out

*Improve your colour perception by playing this addicting game!

*To play, simply click the odd square out. The difficulty will gradually increase.

*You start with 3 cheats. You can use these cheats to help you to skip a level.

*After level 5, every 10 levels you will be rewarded with either more cheats or extra time.

*Repeating this exercise throughout your day can help to improve your colour perception and help you to focus more clearly.