The fun of playing Sudoku is logical reasoning. In the current Sudoku APPs, the biggest problem is that it can’t show the solving techniques and explaining them. When players get in trouble, they can either guessing, or let the APP to help fill a baffling number. Players still confused, and can not grow. Sudoku Institute solved the problem completely. Sudoku is one of the best puzzle games in human history, and there are plenty of fans around the world. The vision of Sudoku Institute is helping players to experience the magical world of Sudoku, and boarded the peak. Sudoku Institute is game, but also tutorials. ——— TECHNIQUES There are the world's most professional solving techniques in Sudoku Institute, each skill has a detailed animated tutorials and explanation. They include Last Value, Hidden Single in box, Hidden Single in line, Pointing, Claiming, Naked/Hidden Pair, Triplet, Quad, X-Wing, Swordfish, Jellyfish, Skyscraper, Two Strings Kite, Turbot Fish, X-Chain, Group X-Chain, ...