Big Mental Math Duel

In "Big Mental Math Duel" you can compete with your friends or random players in solving a row of mental math tasks. who is faster wins the match.

choose between 5 and 20 tasks to solve

play offline in single-player-mode and improve your ranking time

or play a quick match with a random opponent.

or invite a friend from your Google+ circles to play a match with you.

collect achievements and climb the ranking.

whatever you do, have fun!

For Feedback and Bug Report please write a message to the given email.