This app is a fun way to try to beat crazy scores by sorting numbers.
You have to do it as fast as possible, without making mistakes while sorting numbers.
The game is easy : you have 4 numbers, and you have to click on each number with a given sort order.
When you succeed in sorting 4 numbers for a series, you get 4 points. If you fail, you lose 1 point on your score.
While you are playing, you can see your points per second average on a chart.

Try it, you will be addicted !