Calculation Game

Brain Training game,safety even for Kids!

Welcome to simple Addition Game!
However it's not a simple Addition Game as you think!
Calculate mentally fast and then input total result into the blank
This is a new sensitive Addition Game that requires speed of calculation.
Free casual Japanese game whoever/wherever/whenever can play easily.
[How to play]
Some numbers are displayed on the screen.
Calculate mentally fast the result of these numbers.
Speed of calculation is neccessary. Calculate more quickly to get more points.
Sometimes there are some numbers hard to see, so be careful!.
Input wrong number will get 0 point so be very very careful.
Well, how about your mental arithmetic?
Enjoy this free game by yourself.
Now, let's make world record in game center!