Do you like gorillas?
This is simple calculation training game of the gorillas, by the gorillas, for the gorillas.
It's very easy.
Enter the answer of calculation and press the ANSWER BUTTON at the bottom.
Get your hi-score!
You don't like gorillas?Never install XD!
version 2.3.7 added leaderboards
version 2.1.7 bug fix
version 1.1.6 icon changed