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Beta is a study aid app that presents course content as structured Q&A for self-testing.
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Find out how smart you are! Compare your mind with your friends!
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Enjoy Cryptogram, decode cryptoquotes in this fun word puzzle game!
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Keep your mind sharp! Train your brain with the original offline classic sudoku!
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Most popular Nonogram game, More than 100000 puzzles, enjoy the happy time!
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Many Japanese picross puzzles! Reveal beautiful picture puzzles!
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Challenge your brain with this amazing Sudoku game. Play daily and be a master!
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Classic sudoku game for your smartphone and tablet.
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Intuitive and addictive, excellent logic puzzles! Excellent math riddles!
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Kakuro, a logic-based math puzzle with a modern layout!
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These logic puzzles are for the true logic problem fanatic! Can you solve them?
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Find a hidden closed loop by following numeric clues
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Addictive number puzzle game. Match pairs & clear the board. A great time killer
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ZHED is the perfect brain-teaser that will challenge you every step of the way
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Beyond Sudoku! Dive into Futoshiki's unique logic with 6 difficulty levels.
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Challenge your brain with Japan's unique number puzzle!
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Exercises that will help to develop focus, memory, attention and thinking
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Challenge Yourself with Tricky Logic Games and Test Your IQ.
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Super Sudoku puzzle is a popular classic number game to train your brain.
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Only 1% of the players can get tile 50! Fun number games and merge numbers!