"Hitori" is a puzzle in which you fill in any unnecessary numbers, making sure that the same number doesn't appear twice...
Draw lines through the centers of cells to make a loop, and paint cells black in this original Nikoli puzzle. It's immen...
Numberlink is a puzzle where you connect the same numbers without crossing lines. Trust your instinct and get connecting...
"Shikaku" is one of Nikoli's own original casse-tête, with simple rules and a unique feeling of solution. Until you get ...
You won't use any letters or numbers in this original puzzle - the only hints are black circles and white circles. "Masy...
"Hashiwokakero" is a puzzle in which the numbers resemble islands, through which you draw lines resembling bridges. You ...
In this - one of Nikoli's most awesome original puzzles - you connect the dots to make a single ring. "Slitherlink" is a...
This famous and easily understandable puzzle was created in 2001. "Akari" is a puzzle in which you set lights based on t...
Sudoku is a puzzle in which you place numbers from 1 to 9 into a 9x9 grid, divided into horizontal and vertical lines an...
