Sudoku Universe / 数独宇宙

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Sudoku Universe is a digital take on the classic puzzle game, featuring a variety of difficulty levels and unique twist mechanics. Players can create and share their own puzzles, or download an endless supply from the online community. With a clean, minimalist design and intuitive interface, it's a great choice for both newcomers and seasoned sudoku veterans.

Genres & Tags

Play Modes

Single-Player Play through the game's story or campaign solo

Reviews

90%

Audience ScoreBased on 860 reviews

music58 positive mentions

story3 negative mentions

The game features a large number of puzzles across various difficulty levels, providing plenty of content for Sudoku enthusiasts.
The interface is clean and visually pleasing, with relaxing music that enhances the overall experience.
It includes quality-of-life features such as highlighting rows and columns, and the ability to track remaining numbers, making it user-friendly.

The game lacks essential quality-of-life features like a proper note-taking function and customizable color schemes, which can hinder gameplay.
Some puzzles have been reported to have multiple solutions, leading to frustration and confusion for players.
The controls can be clunky, requiring a mix of mouse and keyboard actions that may not be intuitive for all users.

music
132 mentions
44 % positive mentions
54 % neutral mentions
2 % negative mentions
The music in the game is widely praised for its calming and relaxing qualities, enhancing the overall puzzle-solving experience. Many players appreciate the soothing soundtrack, which complements the gameplay and helps create a peaceful atmosphere, although some noted occasional abrupt transitions between tracks. Overall, the music is considered a significant positive aspect, contributing to the game's appeal as a relaxing sudoku experience.
- “The best sudoku game on Steam, which is perfect for relaxing, accompanied by the soothing music as you play.”
- “And then it gives you just one of the most wonderfully relaxing soundtracks to play to; seriously, the music is just sublime.”
- “The soundtrack is really soothing!”
- “Only negative thing about this title is its music, but we can always mute it ;)”
- “The music is supposed to be all zen and calm and just halts to a stop, so jarring.”
- “The music is mostly appropriately low-key and there are several tracks, but it didn't blow me away and I still turned it off very early (as I always do with logic puzzles).”
graphics
34 mentions
35 % positive mentions
56 % neutral mentions
9 % negative mentions
The graphics of the game are described as aesthetically pleasing and simple, with multiple themes that enhance the overall atmosphere. While they are not groundbreaking, the visuals are easy on the eyes and complement the relaxing sound effects, making for an enjoyable experience. Overall, the game's graphics contribute positively to its appeal, especially for those who appreciate a soothing aesthetic.
- “Sudoku with beautiful graphics.”
- “Really nice sudoku app, aesthetically pleasing and I find the sounds very satisfying.”
- “What I'm trying to say is that the aesthetics of the game is really pleasing and perfect.”
- “The graphics are nothing fancy yet this allows for ease on the eyes.”
- “Graphics don't matter for this game.”
- “There's nothing special to it, but the crisp sound effects and the aesthetic themes really add to the atmosphere as you're solving.”
gameplay
16 mentions
63 % positive mentions
19 % neutral mentions
19 % negative mentions
The gameplay offers a solid experience with around 40 hours of content for a low price, featuring customizable settings and smooth mechanics. While the basic sudoku gameplay is enjoyable, some users find the controls awkward, particularly when using shortcuts, and there is no option to change them. Overall, the game is appreciated for its relaxing aesthetic and marathon-style play, especially for sudoku enthusiasts.
- “The gameplay is very smooth, with a soft color palette that is nice and relaxing.”
- “You have options of typing the numbers 1-9 in, but I like that the gameplay can be purely done with clicking on the mouse by choosing from a sub-grid that appears after left clicking.”
- “Basic sudoku gameplay, so not much to say in this regard.”
- “I've gotten a surprising amount of gameplay out of a game I bought in a bundle with another game that I wanted to play for the achievements to write my name on my profile.”
- “There are also many settings to customize your gameplay.”
story
12 mentions
0 % positive mentions
75 % neutral mentions
25 % negative mentions
The game's story is largely absent, with many users noting that it is forgettable and lacks depth. However, this lack of narrative is not seen as a significant drawback, especially given the game's casual nature.
- “This game has no story.”
- “There's not really a story, but that's not really a problem when it comes to something as casual as that, right?”
- “You can remember the story after you finished the game for a while.”
replayability
12 mentions
50 % positive mentions
25 % neutral mentions
25 % negative mentions
The game offers significant replayability through features like Infinity mode and a random level generator, which keep players engaged even after completing achievements. However, some users note that replay value may diminish once all achievements are unlocked, despite the presence of daily challenges and downloadable content. Overall, the inclusion of multiple puzzle generators enhances the game's replayability.
- “Infinity mode adds replay value to the game, which is great, and is the reason why I'm not actually uninstalling this despite finishing the achievements.”
- “The random level generator gives replay value.”
- “I'm very happy to see three puzzle generators (easy, medium, hard) for infinite replayability.”
- “Low replay value after finishing the achievements.”
- “The random level generator gives some replay value.”
- “Replayability is lacking.”
atmosphere
6 mentions
67 % positive mentions
33 % neutral mentions
0 % negative mentions
The atmosphere of the game is described as pleasant and relaxing, enhanced by crisp sound effects and aesthetic themes that complement the sudoku experience. While some users note that the music is not unique, it still contributes positively to the overall ambiance, making the gameplay enjoyable and soothing.
- “The crisp sound effects and the aesthetic themes really add to the atmosphere as you're solving.”
- “It's sudoku but with a nice atmosphere.”
- “I'm still going to finish the levels and enjoy the relaxing atmosphere of this game.”
grinding
4 mentions
0 % positive mentions
0 % neutral mentions
100 % negative mentions
Players find the grinding aspect of the game to be somewhat tedious, particularly when marking multiple cells individually. However, the overall experience is considered enjoyable, with minimal grinding required to unlock achievements, especially during sales when the price is appealing.
- “To mark multiple cells with candidate values, you have to tediously mark them one by one.”
stability
4 mentions
50 % positive mentions
0 % neutral mentions
50 % negative mentions
The game's stability is marred by a buggy user interface and inconsistent mistake-checking, leading to a clunky experience. However, it performs well on Linux (Mint Cinnamon 18.3). Additionally, there are no options for variant styles, which further detracts from user experience.
- “Runs great on Linux (Mint Cinnamon 18.3).”
- “The user interface is buggy, with randomly incorrect mistake-checking and no options for variants (e.g., samurai, squiggly, etc.). Overall, the UI feels clunky.”
- “The user interface is buggy, with randomly incorrect mistake-checking and no options for variants (e.g., samurai, squiggly, etc.). Overall, the UI feels clunky.”
optimization
2 mentions
100 % positive mentions
0 % neutral mentions
0 % negative mentions
Users generally prefer the current optimization method, finding it significantly easier and faster to use compared to touchscreen-optimized alternatives, which they feel involve excessive clicking and navigation.
- “I actually find this method much easier and faster to use than the touchscreen-optimized ones that require way too many clicks and mousing about.”
- “I actually find this method much easier and faster to use than the touchscreen-optimized ones that require way too many clicks and mousing about.”