It is 30 seconds focused and calculated game.
Brain training and refresh, is recommended in the game a little bit of free time.
Game mode has 2 type.
Easy mode : 1digit calculation game.
Difficult mode : 2digit calculation game.
Brain training and refresh, is recommended in the game a little bit of free time.
Game mode has 2 type.
Easy mode : 1digit calculation game.
Difficult mode : 2digit calculation game.
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