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This site is an archive of logic puzzles published by the Japanese company Nikoli.
A logic puzzle is a game which can be played alone or with the help of others. The goal is to complete the puzzle while following the rules of the game. A logic puzzle can be completed either with a pencil and paper or digitally. Each type of puzzle follows a set of rules which is unique to it. The solution to a puzzle can usually be found through deduction.
All puzzles on this website, unless otherwise noted, include a download for a .txt file which can be imported into one of the web apps at puzz.link.