Sudoku Classic

Released: Feb 24, 2023
Platforms
Last updated: 13 Sep 2026, 03:34 GMT

Updates & announcements

17 posts

26 May 2026Developer post
Sudoku Classic Passes SteamDeck Compatibility Review!
Thank you for enjoying Sudoku Classic. On May 26, 2026, Sudoku Classic passed SteamDeck compatibility review and was confirmed to run smoothly on Steam Deck. Thank you very much to all the users who submitted reviews to the article "Sharing information about SteamDeck compatibili
19 Nov 2025Developer post
【 Bundle 】"Sudoku Classic" and new game "Sudoku Relax"
Thank you for playing "Sudoku Classic". On November 19, 2025, RucKyGAMES began distributing "Sudoku Relax". The order in which the games were developed was "Sudoku Relax" first, followed by "Sudoku Classic." Relax is too easy! You can't enter incorrect numbers! Based on these rev
Thank you for playing "Sudoku Classic".
On November 19, 2025, RucKyGAMES began distributing "Sudoku Relax".
The order in which the games were developed was "Sudoku Relax" first, followed by "Sudoku Classic."
https://store.steampowered.com/app/3364940/Relax/

Relax is too easy!
You can't enter incorrect numbers!
Based on these reviews, we developed "Sudoku Classic," which allows players to customize the way they play to their liking.
Relax is what we call the "Beginner play style" in Classic.
"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.
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.
【Price】 $4.99 / €5.09
【Number of players】 1 person
【Supported languages】
Japanese, English, German, Simplified Chinese
💐INotice of bundle sales with "Sudoku Classic"!
f you have "Sudoku Classic", get 10% off "Sudoku Relax"!
https://store.steampowered.com/bundle/62810/Classic__Relax/
If you have "Sudoku Classic", you can get an additional discount on the "Sudoku Relax" launch discount of 10% in a bundle!
*Sample images are in Japanese and Japanese currency.
Original post
19 Nov 2025Developer post
(A comfortable Sudoku game) Sudoku Relax [ Launch sale 10% off!! ]
RucKyGAMES ( The Steam® version of "Sudoku Relax" was released today, November 19, 2025. ✨️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 allow
RucKyGAMES (https://ruckygames.com/)
The Steam® version of "Sudoku Relax" was released today, November 19, 2025.
✨️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/
Original post
22 Oct 2025Developer post
【 Bundle 】"Sudoku Classic" and new game "Add Cross"
Thank you for playing "Sudoku Classic". On October 22, 2025, RucKyGAMES began distributing "Add Cross". "Add Cross" is a pencil puzzle where you play by putting the numbers 1～9 inside the empty squares so that they become the numbers in the hint squares. Let's play casually with
22 Oct 2025Developer post
Distribution starts on 10/22! "Add Cross"【10% off launch sale】
On October 22, 2025, RucKyGAMES began distributing "Add Cross". 『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
10 Oct 2025Developer post
Security Update
We have released a new update to address a security issue reported in Unity. The version displayed on the title screen will remain at Ver. 1.1.4. After updating, please confirm that the build ID is "20332989." This update will not affect gameplay.
05 Sep 2025Developer post
[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.
05 Sep 2025Developer post
[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.
31 Jul 2025Developer post
[Interview article published] RucKyGAMES was interviewed about Gunma's Ambition -You and me are Gunma- Reiwa 2nd national census edition.
RucKyGAMES was interviewed on "Relaxing in the Dressing Room," a website for game creators run by Game Creators Guild Inc. The interview also covers "Gunma's Ambition -You and me are Gunma- Reiwa 2nd national census edition" as well as RucKyGAMES' development structure.
28 Mar 2025Developer post
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 compatibi
28 Feb 2025Developer post
Announcement of Switch version package sales and event participation
Thank you for enjoying Sudoku Classic. Our Sudoku series, including Sudoku Classic, will be sold as packaged software for Nintendo Switch. * Release date March 27, 2025 * Title Sudoku Relax & Classic -Seasons Collection- © RucKyGAMES / published by G-MODE Corporation. Sales a
10 Jan 2025Developer post
Fixed the refresh rate that can be finished with the gamepad. Ver 1.1.4
* Enabled to end the game from the game putts while playing with the game putts.( LB + RB press at the same time on the title screen) * Fixed the timer during play to be the correct number of seconds, no matter how many Hz refresh rate is. * I made other fine adjustments. This mo
26 Dec 2024Developer post
Announcement of the release date of the Switch version of "Sudoku Classic 2".
Thank you for enjoying Sudoku Classic. We are pleased to announce that the sequel to Sudoku Classic, "Sudoku Classic 2", has been released for Nintendo Switch. While retaining the customizability and operability of the original Sudoku Classic... * The design has been completely r
16 Nov 2024Developer post
RucKyGAMES' New Game Release "Ruku's Heart Balloon"
Thank you for enjoying Sudoku Classic. On November 11, RucKyGAMES released a puzzle game called "Ruku's Heart Balloon". Like Sudoku Classic, it is a puzzle game made by thinking out a pleasant operation feeling. I'm glad you can play if you like. * "What is "Ruku's Heart Balloon"
02 Sep 2024Developer post
Fixed some images in Japanese and Spanish. Ver 1.1.1
Some images in Japanese and Spanish have been corrected. This does not affect the progress of the game. Ver 1.1.1
10 Jun 2024Developer post
The soundtrack has been released. 10% OFF on game + soundtrack bundle!
●Sudoku Classic BGM soundtrack has been released. Relaxing sounds from games can be used in everyday life♪ 1 Sun Shower 2 Shadows on the Windowsill 3 Light Beads 4 Rose & Lily 5 Check-Complete ●To commemorate the release of the soundtrack, we have started selling bundles of "
13 May 2024Developer post
Sudoku Classic 10 languages supported, slightly modified.
●Supports French, German, Italian, Spanish, Portuguese, simplified, traditional, Korean, Japanese, and English. ●The English text has been retranslated. ●Made minor corrections.