Showing 41–60 of 1,000 ranked alternatives.
Red Key Software Corporation
Play puzzles of varying difficulty
(Free) lets users play puzzles with four skill levels. Features include showing incorrect answers in red and using smart buttons. Users can track progress, undo moves, and reset puzzles. Options allow customization of game settings.
HayGrazer Limited
Play blocks, solve puzzles, clear grids
Play a game that combines puzzles and . Drag blocks onto the board to clear rows, columns, and 3x3 squares. Solve puzzles by matching numbers and shapes. Track progress and compete with others.
UNITED MARKETING TECHNOLOGIES,INC.
Play and claim gift cards
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.
The Chess Solitaire Sudoku Factory Ltd
Play puzzles anytime, any difficulty
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Conceptis Ltd.
Play puzzles, solve challenges, track progress
Solve logic puzzles combining and Kakuro rules. Fill 9x9 grids with numbers 1-9 following rules and sum constraints. Use add/subtract calculations to determine cell values. Track progress and complete puzzles of varying difficulty.
Optime Software LLC
Play with dual keypad entry
Play puzzles with high-quality graphics. Use dual keypads for entries and notes. Enable smart notes for automatic note entry and updates. Track progress and solve puzzles on iPad.
Eric Snider
Play and track your progress
Solve by filling in numbers 1 to 9. Ensure each row, column, and 3x3 sub-grid contains unique digits. Choose from multiple difficulty levels. Track progress and restart . Share completed via social media.
Zeeron Studio Pvt. Ltd.
Play puzzles and track progress
Allows users to solve number puzzles on a 9x9 grid. Fill cells with numbers 1-9 without repeating in rows, columns, or 3x3 boxes. Features include multiple puzzles, unlimited gameplay, and no ads or in- purchases.
晶 闫
Solve puzzles and unlock levels
Play by filling a 9x9 grid with numbers 1-9 without repetition in rows, columns, or 3x3 blocks. Choose from multiple difficulty levels. Track progress and solve puzzles to improve logic and concentration.
Red Key Software Corporation
Play puzzles anytime
Solve puzzles with 1,000 unique handcrafted puzzles across four skill levels. Choose from standard, symmetrical, and patterned styles. Adjust color schemes. View incorrect answers in red. Track times.
XIMAD, Inc.
Solve puzzles and unlock islands
Play with over 10,000 puzzles across 600+ levels. Choose from 11 variations of the classic game. Track progress through a to unite a kingdom and defeat an evil sorcerer. Solve puzzles to advance through islands.
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