Solve puzzles and track your progress
Solve puzzles with themed grids and thermometer clues. Fill numbers 1-9 in rows, columns, and 3x3 boxes. Digits on thermometers must increase from bulb to tip. Complete 100 puzzles with new challenges added monthly.
Showing 1–20 of 1,000 ranked alternatives.
Nick Carney
Solve puzzles and track your progress
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.
Nick Carney
Solve puzzles and track progress
Solve puzzles with minimal starting numbers. Use logical deduction to fill grids. Access 20 new puzzles and 100 total. Track progress and revisit previous puzzles. Share solutions and hints via in- features.
Nick Carney
Solve puzzles and track progress
Solve puzzles with cages indicating number sums. Customize difficulty levels and track progress. Access 40 standard puzzles and 15 beginner puzzles. Share solutions and view hints.
Nick Carney
Play and solve puzzles
Solve -themed puzzles with three types: Knight , King , and Queen . Fill grids with numbers following rules and piece movement constraints. Track progress and access 15 new puzzles.
Logic-Wiz
Play and anytime
Solve classic and 35+ including Killer, Diagonal, and Sandwich . Customize difficulty levels. Track progress and review solutions. Share puzzles via social media.
Tripledot Studios Limited
Place blocks, solve , clear grids
Play a logic puzzle game by placing blocks on a 9x9 grid. Fill rows, columns, or squares to clear the board. Drag pieces to the grid and avoid running out of space. Track high scores and challenge yourself with addictive brain training .
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
勇 殷
Play , get hints, track progress
Play with puzzles of varying difficulty levels. Use hints, notes, and auto-check features. Complete puzzles without assistance. Track progress across multiple difficulty settings.
Staple Games, LLC
Clear blocks to earn combos and streaks
Play a by placing pieces into a 9x9 grid. Clear lines or 3x3 boxes to remove blocks and earn points. Extend combos and streaks for higher scores. Continue until no more moves are possible.
Tripledot Studios Limited
Play puzzles anytime
Play puzzles with adjustable difficulty levels. Solve grids using logic and number placement. Track progress and restart puzzles. Share completed games via social media. Sync progress across devices.
the binary family GmbH
Solve puzzles and track progress
Solve Sudoku puzzles with 6 difficulty levels. Edit numbers, highlight clues, and track progress. Undo moves and check for errors. Sync puzzles across devices.
Do More Mobile, LLC.
Solve puzzles and track progress
Solve puzzles with classic gameplay and adjustable difficulty levels. Track progress through rankings and attempt to complete puzzles without using hints. Play relaxing or challenging modes to enhance concentration and problem-solving skills.
MALPA GAMES LTD
Solve puzzles, track progress, play offline
Solve puzzles with adjustable difficulty levels and multiple grid formats. Use advanced solving tools and track progress over time. Play fully offline and access handcrafted puzzles without internet connection.
ARETIS LIMITED
Play , solve puzzles, track progress
Solve puzzles with varying difficulty levels. Select grid size and number of hints. Track progress and restart puzzles. Share completed grids via social media. Adjust themes for visual preferences.
Daniel Anderson
Puzzles and print them
Allows users to input puzzles via image or keypad. Features include solving entire puzzles or individual numbers, creating and printing puzzles, and erasing last entry by shaking.
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