Nikoli's Pencil Puzzle (ニコリのペンシルパズル Nikori no Penshiru Pazuru) is a Nintendo 3DS puzzle game developed by Japanese game developer Nikoli. The game features a variety of classic pencil puzzles, including Sudoku, Kakuro, and Hitori. The game also features a unique 'Puzzle Maker' mode, which allows players to create their own puzzles and share them with friends. The game also includes a 'Puzzle Search' mode, which allows players to search for puzzles created by other players. The game also includes a 'Puzzle Ranking' mode, which allows players to compare their scores with other players. Nikoli's Pencil Puzzle is a great game for puzzle fans, as it offers a variety of classic pencil puzzles, as well as the ability to create and share your own puzzles.