QuizUp: You have to sign up before you play... Review
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You have to sign up before you play... I don't like to sign up for any apps using facebook or email so i deleted it. And no i didn't try it first because i didn't want to get any notifications.
Great! This is the perfect time killer/brain builder. Loads of topics, easy integration into social circles, and there's always someone new to play with. Visually pleasing, easy to use..... Not a single complaint.