Nikoli
Nikoli ( Japanese ニ コ リ nikori ) is a Japanese publisher specializing in logical puzzles and publishes books and the quarterly magazine Puzzle Communication Nikoli (also known as Nikoli). Nikoli became known worldwide for the success of the Sudoku number puzzle .
The riddles from Nicoli
Nikoli's particular specialty is puzzles that work independently of language and culture . While a crossword puzzle is always tied to a language, number puzzles and geometric puzzles are not.
Nikoli publishes the following puzzles, among others: Lighting , Fillomino , Hashiwokakero , Heyawake , Hitori , Kakuro , Kuromasu , Nurikabe , Masyu , Sikaku , Sudoku and Suriza .