Thomas Snyder, aka Dr. Sudoku, is a three-time World Sudoku Champion and six-time U.S. Puzzle Champion, as well as the author of several books of puzzles. His puzzles are hand-crafted, with artistic ...

A Slitherlink is a puzzle in which you connect dots with a line according to the rules. There are an unlimited number of set sequences known as theorems, and you can actually feel your own skill level ...

All the Latest Game Footage and Images from Puzzle by Nikoli W Slitherlink In this – one of Nikoli’s most awesome original puzzles – you connect the dots to make a single ring. “Slitherlink” is a ...