Have fun playing with the numbers. Solve mathematical calculations before your time runs out.
-Try to reach the third difficulty before time runs out
-Unlock skills and aids to achieve the highest possible score
-Overcome your limit
Solve simple one-figure mathematical calculations, the more you answer correctly the more difficult the questions will be, you have 8 lives to play, but don't worry those lives are recharged.
At the end of a game, you are given experience, when you level up you can get benefits to go further