Announcement
v1.2.1Update 1.2.1
Timer Update -Timer added to all puzzles -Timer achievements available for each puzzle
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1 Rule Sudoku
Also known as 1 Rule Sudoku, 1 rule sudoku, 1-rule-sudoku
Dive into the world of 1 Rule Sudoku, where the classic number puzzle is reimagined with a fresh twist. Featuring endless, procedurally-generated puzzles, this minimalist yet deeply engaging game offers a perfect balance of challenge and relaxation.
Last update
16 Jun 2026
Players now
0
Latest update
Update history
Browse past updates and patch notes for this game.
9 updates
July 2025
- Update 1.2Added 8x8 Puzzle Added 10x10 Puzzle
January 2025
- Update 1.1Additions Added 3x3 Puzzle for those learning Sudoku New achievements for 3x3 Grid New Easter egg achievement
December 2024
- Patch 1.0.1Changes User level has been added to the main menu screen Fixes White strip along left side of the screen for the main menu & level select has been removed Numbers greater than the length of the puzzle removed to preven…
- Update 1.0Additions Added music Added sound effects Mute sounds effects & music individually Added backgrounds Added levelling system with unlock-able backgrounds Changes Changed puzzle UI for 4x4, 6x6, and 9x9 Menu buttons now h…
January 2023
- Achievementsfixed easy/hard/impossible achievement unlocks
- AchievementsAchievement Fix
- AchievementsAdded Achievements
December 2022
- Keyboard Update-Added number key support
Gallery
In-game media
Achievements
Community progression
Top picks from 30 Steam achievements, sorted by player unlock rates.
- PlayStart the game69.2%
- RulesRead the Rules61.5%
- 6x6Solve 1 6x6 Puzzle53.8%
- 4x4Solve 1 4x4 Puzzle53.8%
- HardSolve 1 Hard Puzzle46.1%
- IntermediateSolve 1 Intermediate Puzzle46.1%