You have 60 seconds to tap the odd-coloured tile as many times as possible. Get it right and you get a point, get it wrong and you lose a point. As your score increases, as does the difficulty - the hues get closer together and more tiles are added.
You have 60 seconds to tap the odd-coloured tile as many times as possible. Get it right and you get a point, get it wrong and you lose a point. As your score increases, as does the difficulty - the hues get closer together and more tiles are added.