There are 300 stages and 2 infinite modes : it is not complicated at all and everybody can easily play and enjoy.
There are different types of stages that require the user to make the sum with either limited lines or with limited time.
Making the sum by remembering the disappeared number will train your brain.
Calculate brain scores in five different categories: arithmetic skills, quick calculation, memory, concentration, curiosity by analyzing user’s game patterns.
Compare your score with other user’s scores.
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