Showing 101–120 of 1,000 ranked alternatives.
Guangzhou Shigu Information Technology Co., Ltd.
Play , track progress, improve skills
Mode offers multiple difficulty levels and structured training to improve solving skills. Massive Puzzle Library provides daily updated puzzles for endless gameplay.
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.
Saltuk Emre Gul
Solve riddles and unlock
Solve seasonal-themed with 25 riddles per season. Each puzzle uses unique logic requiring critical thinking. Features include seasonal color themes, varying difficulty levels, and classic puzzle types like Sudoku and Sokoban.
STFJ LLC
Play Sudoku with AI-powered hints
Solve Sudoku puzzles with adjustable difficulty levels. Access over 70,000 high-quality puzzles. Use AI-powered hints and tools to simplify gameplay. Track progress and customize settings for personalized experience.
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.
Andrea Sabbatini
Play puzzles, solve challenges, train your brain
Solve puzzles with 900 levels and daily challenges. Choose from seasonal and holiday-themed packs. Track progress and access seasonal graphics. Unlock new puzzles regularly.
Andrea Sabbatini
Play puzzles and solve challenges
Solve themed puzzles with 1000 new levels across 7 . Complete daily timed challenges. Track progress and compare scores. Adjust difficulty settings and customize interface. Share achievements with friends.
Mathieu Diril
Solve puzzles in one continuous move
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.
Loyal Foundry, Inc.
Play and solve puzzles
Play with thousands of free puzzles. Solve grids by filling numbers 1-9. Take notes that update automatically as you progress. Adjust difficulty levels and track progress. Share completed puzzles with friends.
John Detloff
Play puzzles anytime
Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
KraiSoft Limited
Play , customize difficulty, track progress
Play with adjustable difficulty levels and customizable puzzle settings. Use hints, error highlighting, and note-taking features. Track personal times and compare with others. Solve puzzles on a clean, distraction-free interface.
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