Challenge yourselves and test your reaction ability with simple puzzle game. There is NO ONE who get all achievements of the game, can you break this....
Each 1 second, the game will give you one math task and your mission is to quickly text the right answer to the task. It seem to be easy but watch out, it is not so simple like that.
After one right answer, the next task will come in a higher level and your time is shortened too.
It is about one minute and you will see that you lose the game.
If you get an unbelievable score, let challenge your friends and you will see the fun.
Good luck!