Somethingto know
No words
Up is a non-language app, only the math counts.
80% or more
After a wrong answer, UP gives you an easy question.
Highscore
Battle with your friends, beat their highscore.
© Copyright 2015 UP-APP | Edited by Xiwel.nl
Up is a non-language app, only the math counts.
After a wrong answer, UP gives you an easy question.
Battle with your friends, beat their highscore.