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From Thomas Mueller:
Count Duel is a very simple counting game for people of all ages. In every round there are 3 rules describing the numbers not to count, e.g., hop if the number is a multiple of 3 or hop if the number contains a 6. You then start counting from 1 and simply press HOP if 1 of the 3 rules applies to the number that would be next. But watch your time, you only have 30 seconds + 3 seconds for every move.Count Duel comes with 2 game modes. The survival mode is perfectly for training your skills. You play against yourself and you can see how far your brain takes you. When you think you are ready to go out in the wild start the duel mode and play against others. In this mode you and your opponent count alternately from 1 to 100 and the first one who makes a mistake loses the round. The first player who can win 3 rounds wins the duel.Count Duel comes with full Game Center support including lots of achievements and leaderboards including a fully-fledged tournament rating system based on ELO points. Will you be able to become a Grand Master?