Solve puzzles with additional numbers outside the grid indicating the sum of cells between 1 and 9 in each row and column. Complete puzzles with varying difficulty levels. Track progress and view hints when needed.
Solve puzzles with adjustable difficulty levels. Choose from easy, medium, and hard grids. Track progress and restart puzzles. Highlight numbers for clues. Share completed puzzles via social media.
Solve puzzles with four variations including X , Hyper , and Jigsaw . Choose from 160,000 puzzles across four difficulty levels. Track progress and play without timers.
Allows users to play logic-based puzzles with varying difficulty levels. Fill 9x9 grids with numbers 1-9 ensuring no duplicates in rows, columns, or 3x3 blocks. Solve puzzles with pre-filled cells. No ads or subscriptions.
Play with adjustable difficulty levels. Solve puzzles manually or use hints. Track progress and reset puzzles. Share completed games via social media. Sync across devices for continued play.
Solve puzzles with 9x9 grids divided into 3x3 blocks. Enter numbers 1-9 in empty squares. Check for valid moves and complete puzzles to qualify for Amazon.com Gift Card sweepstakes. View results and copy gift codes if won.
Solve puzzles with four difficulty levels. Complete puzzles without hints, pencil marks, or undo options. Focus on efficient design. Use a solver to finish any . No erase or cancel buttons. Upcoming features include daily challenges.
Solve pixel art using numbered hints to determine filled and blank pixels. Reveal images by logically deducing correct cells. Play hundreds of with increasing difficulty. Track progress and complete challenges. Share completed artwork with others.