Screenshots
Watch trailer on Steam ↗Ultimate Sudoku Collection
Stanley Lam · Published by Stanley Lam
Mostly Positive — 77% positive (198 reviews) · 92 achievements
Last updated 27 Sept 2026
The best Sudoku game on Steam.
Free
Indie, Free To Play, Casual · 2018 · More free games
Dive into a vast array of Sudoku challenges designed by Stanley Lam, released in 2018. Perfect for those who enjoy casual and free-to-play games, this collection keeps you engaged with its diverse puzzle offerings.
About this game
Ultimate Sudoku Collection contains several variations of Sudoku game.
Sudoku basic rule: Fill numbers in the board such that every row, column and region contains one occurrence of each number.
Features:
- Beginner, Easy, Moderate, Hard and Expert difficulties for every game type
- Tons of puzzles guarenteed to have only one solution
- Easy note taking
- Autosave the process of unfinished levels
- Record best completion time for each level
- Hint feature
- Achievements
Current Game Types:
- Basic
- Gattai-3
- Gattai-3 Diagonal
- Gattai-3 Anti-Diagonal
- Butterfly
- Sohei
- Flower
- Samurai
- Samurai Jigsaw
- Samurai Diagonal
- Samurai Anti-Diagonal
- Cross
Sudoku basic rule: Fill numbers in the board such that every row, column and region contains one occurrence of each number.
Features:
- Beginner, Easy, Moderate, Hard and Expert difficulties for every game type
- Tons of puzzles guarenteed to have only one solution
- Easy note taking
- Autosave the process of unfinished levels
- Record best completion time for each level
- Hint feature
- Achievements
Current Game Types:
- Basic
- Gattai-3
- Gattai-3 Diagonal
- Gattai-3 Anti-Diagonal
- Butterfly
- Sohei
- Flower
- Samurai
- Samurai Jigsaw
- Samurai Diagonal
- Samurai Anti-Diagonal
- Cross
System Requirements
Will my PC run this? →Minimum
Minimum:
- OS *: Windows Vista SP1+
- Processor: 2.0Ghz+
- Memory: 1 GB RAM
- Graphics: Graphics card with DX10 (shader model 4.0) capabilities.
- Storage: 200 MB available space
Supported Languages
English
Latest news
Patch NotesOfficial
Update Notes for ver 1.4.5
Enabled Steam Cloud for syncing game progress between different machines. Before launching the game, Steam checks the cloud to see if any save file has a newer version there, probably uploaded from a different machine than the one the user is currently on. If there is, it downloads it to the current computer and boots the game, letting the user access his latest progress. When the user closes the game, Steam uploads the save file to the cloud storage.Read full article on Community Announcements (stanley)Patch NotesOfficial
Update Notes for ver 1.4.4
Fixed a bug that caused the key 'A' not to show up in the memo for Tight-Fit Sudoku.Read full article on Community Announcements (stanley)Patch NotesOfficial
Update Notes for ver 1.4.3
- Improved the list of available window resolutions - The window size is memorized when resized manuallyRead full article on Community Announcements (stanley)Patch NotesOfficial
Update Notes for ver 1.4.2
- Adjusted the colors of highlighted cellsRead full article on Community Announcements (stanley)Patch NotesOfficial
Update Notes for ver 1.4.1
- Added an option to change the input method (cell first or digit first) - Updated memo format - Highlight Matching Numbers can also highlight cells with same numbers - Touch a cell again to unselect itRead full article on Community Announcements (stanley)
