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Introduce kids to coding with puzzles; the most fun way to learn programming!
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perspective illusion puzzle based on M.C. Escher drawings and impossible shapes
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The legendary chess tactics course is now on Android! ELO rating: 1200-2400!
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Decrypt quotes to reveal the hidden message!
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Ridiculously polished Minesweeper.
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Run and jump into coding!
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More than 2500 exercises for mating in 3 or 4 moves!
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Transmission, the mind-bending puzzle game about communication networks.
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Shifu Plugo: An interactive AR gaming system to stimulate STEM skills
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Based on a textbook by a renowned chess trainer Sergey Ivashchenko
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Play your chess variants against the AI and your friends online.
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Megacourse with 19,000 exercises on the checkmate in two moves!
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This course covers a wide range of opening, middlegame and endgame subjects
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2500 chess exercises to train mate in 1 move. Easy? Very useful!
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Thousands of logic puzzles to exercise your brain in this relaxing game
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Learn the representation, addition and subtraction of fractions for children
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Learn mathematics using the most interactive and colorful textbook in the world.
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Play the classic game popularized in the 70s, digitally, with a fresh look!
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Classic Sudoku offline. Clean and simple gameplay anytime.
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Real-time multiplayer madness: wreck your opponent's fortress!
