Sudoku Relax

About this game

A total of 300 questions with EASY, NORMAL, and HARD difficulties have been included.

Complete problems to unlock background effects and BGM tracks.


There are 3 background effects and 3 BGM tracks.


Sudoku allows you to use your brain while also being soothed by the effects and BGM.


You are able to save the problem before completing,
making it an easy game to pick up and play on the go.

Latest news

• Patch Notes·12 Dec 2025Official

  [Version 1.1.0] 6 Languages Added, Update Notice

  Thank you for playing "Sudoku Relax" and other RucKyGAMES games. {STEAM_CLAN_IMAGE}/45544430/69cba07cbe344ed6883730240c8a8dded288d327.jpg Language Update Notice We've updated the Steam version of "Sudoku Relax" to include additional languages. The new languages are: French Italian Spanish Portuguese Traditional Chinese Korean Bug Fixed Fixed a bug when using the number keys to enter numbers. This does not affect gameplay.
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• Announcements·24 Nov 2025Official

  Sharing information about SteamDeck compatibility.

  This game was developed to be playable comfortably with Steam Deck. We hope to pass the Steam Deck compatibility check. If you have played this game with Steam Deck, please post your impressions in this article. Your comments will be used as reference for the Steam Deck compatibility review. Thank you.
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• Announcements·19 Nov 2025Official

  (A comfortable Sudoku game) Sudoku Relax [ Launch sale 10% off!! ]

  RucKyGAMES (https://ruckygames.com/) The Steam® version of "Sudoku Relax" was released today, November 19, 2025. https://clan.akamai.steamstatic.com/images/44047080/817146a5f1cf8531b90643f2001feedebc3521a1.jpg ✨️Sudoku Relax✨️ Intuitive operation: select numbers and then enter them "Sudoku Relax" is a Sudoku puzzle where you choose a number and then choose the square you want to fill in. This allows you to fill in numbers more intuitively. Effects and sounds so comfortable you might fall asleep When the numbers you have entered match, effects will be applied to create a gorgeous effect on the board. The background music, which has been composed to help you think calmly, will create an even more comfortable atmosphere. 【Title】Sudoku Relax 【Release Date】November 19, 2025 【Price】$4.99 / €5.09 【Players】1 Player 【Supported Languages】Japanese, English, German, Simplified Chinese https://store.steampowered.com/app/3364940/_Relax/ 💐 Launch sale 10% off!!💐 【Discount】10％ 【Duration】2 weeks (November 19 - December 2, 2025) *The discount period may vary depending on your region. Thank you for your understanding. 🎵Sudoku Relax 1&2&3&4&5 -Soundtrack-🎵Bundle sale 30% off!! 🎵 The BGM for the "Sudoku Relax" series is popular for its combination of the gameplay of "Sudoku" and "Relaxation," which makes it easy to fall asleep. A soundtrack that compiles the background music from the series "Sudoku Relax," which will be released on Steam®, and the series that is already available on Nintendo Switch™, will be released on the same day as the game. 【Titles Included】 Sudoku Relax Sudoku Relax 2 Summer Waves Sudoku Relax 3 Autumn Leaves Sudoku Relax 4 Winter Snow Sudoku Relax 5 Full Bloom 【Songs Included】20 songs (Color Gradient, Time Step, Rose & Lily, Spider Strings, etc.) 【Release Date】November 19, 2025 【Price】$6.99 / €6.99） https://store.steampowered.com/app/4091380/_Relax_Soundtrack/ 🌼Bundle sale 30% off!! 🌼 https://store.steampowered.com/bundle/62751/Relax__Relax_Soundtrack/ https://cl...
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• Announcements·22 Oct 2025Official

  Distribution starts on 10/22! "Add Cross"【10% off launch sale】

  https://clan.fastly.steamstatic.com/images/44047080/658802e5a1eadda64fe5512bb950d551759f9d93.png On October 22, 2025, RucKyGAMES began distributing "Add Cross". https://clan.fastly.steamstatic.com/images/44047080/705469e0f29a650a4090931d81faa854eac8292d.png 『Add Cross』 is a pencil puzzle where you play with the numbers 1～9 inside the empty squares so that they become the numbers in the hint squares. Let's play casually with light effects! What is "Add Cross"? - Numbers are written in "vertical hint squares" and "horizontal hint squares". - Up to 1～9 numbers can be placed in one connected "blank square". The same numbers do not fit. - squares interrupted by "hint squares" can have the same number. - If you put numbers in all squares except the "hint square", it's clear! https://clan.fastly.steamstatic.com/images/44047080/ca3b7aabbe6c6eb4860983789687dba5c28e898a.png 【Price】 $2.99 【Number of players】 1 person 【Supported languages】 Japanese, English, French, German, Italian, Spanish, Portuguese, Chinese (simplified), Chinese (traditional), Korean 【Rights notation】 ©RucKyGAMES 【Store URL】 https://store.steampowered.com/app/3899090/_/ Launch Sale 10% Off Launch Sale to Celebrate Release! 【discount rate】 10% 【Duration 】22 October～ 5 November (Dates and times vary by region)
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• Announcements·5 Sept 2025Official

  [Store page published] Add Cross

  On September 5, 2025, we launched the store page for a game called "Add Cross." Write the numbers 1 through 9 one by one without repeating them, and add them all up to get the number in the puzzle square! This is a quick and easy pencil puzzle game. https://clan.fastly.steamstatic.com/images/44047080/e1374123f05afc59baea31bdd8999781cb328e01.png https://store.steampowered.com/app/3899090/_/
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