9-Box

A nice and challenging educational game to improve mathematical skills. Would you like to play a 30 seconds game or answer all the questions? Six hundred thousand players played the game on our website. Therefore, the app is free!
Playing modes:
* Original game
* Expert mode
* Time Trial
* Custom mode
* Insightful graphs
* In 12 languages: English, Spanish, Indonesian, French, Portuguese, Italian, German, Dutch, Danish, Polish, Thai and Russian.