Daily puzzle: Word Search, Crossword, Sudoku, Picross, Nonogram, Kakuro Puzzle, Puzzle page and other logic problems riddles. "Puzzle Book" is big collection of different logic puzzles. Puzzle page: Kakuro Word Search Sudoku Picross, Nonograms Link-a-pix Crosswords Bridges puzzle No Four Three in a row etc. Since January 2017, we run online tournaments.