KubeX is a brain training game where you have to identify the odd coloured square amongst others in a grid. You have a minute to get as many as you can, and it is easy to get stumped on now and again. KubeX,brain training game,odd colored square,cognitive skills,visual perception,memory game,brain exercise,mental workout,reaction time,spatial reasoning,mobile game,puzzle game,mind training,brain booster,cognitive function,memory improvement,brain game,easy to play,challenging,brain workout,visual discrimination