Correct Computation

What is it about?

This game will test your calculation and guessing skills. There are Four boxes with 4 numbers in each box. You have to answer a question that which box has bigger/smaller values. For that, you have to quickly sum up all the numbers of both boxes and find out. After that, you have to tap the answer box below them. Each Right answer will earn you one point. A wrong answer will end your game. There is a timer also. So you have to quickly react. There are 3 game modes, each having its own difficulties and reaction time.