Unium on Steam - User reviews, Price & Information

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Draw a line. A single line. How complex can that be?

Unium is a casual, indie and puzzle game developed and published by Kittehface Software.
Released on March 27th 2015 is available on Windows, MacOS and Linux in 9 languages: English, French, German, Spanish - Spain, Japanese, Korean, Portuguese - Portugal, Russian and Simplified Chinese.

It has received 313 reviews of which 293 were positive and 20 were negative resulting in a rating of 8.6 out of 10. 😎

The game is currently priced at 1.99€ on Steam.

The Steam community has classified Unium into these genres:

Casual Indie Puzzle Strategy Minimalist Singleplayer Difficult

Media & Screenshots

Get an in-depth look at Unium through various videos and screenshots.

Unium screenshot
Unium screenshot
Unium screenshot
Unium screenshot
Unium screenshot
Unium screenshot

System requirements

These are the minimum specifications needed to play the game. For the best experience, we recommend that you verify them.

Windows
  • OS *: Windows 7
  • Processor: 1GHz processor
  • Memory: 1 GB RAM
  • Graphics: 3D graphics card with 512Mb
  • DirectX: Version 9.0
  • Storage: 50 MB available space
MacOS
  • OS: Snow Leopard 10.6.8 or later
  • Processor: Intel Core Duo
  • Memory: 1 GB RAM
  • Graphics: 3D graphics card with 512Mb
  • Storage: 80 MB available space
Linux
  • OS: Ubuntu 12.04 LTS
  • Processor: 1GHz processor
  • Graphics: 3D graphics card with 512Mb
  • Storage: 80 MB available space

User reviews & Ratings

Explore reviews from Steam users sharing their experiences and what they love about the game.

Oct. 2025
Unium, developed and published by Kittehface Software, is a minimalist puzzle game that transforms a single, simple idea into a surprisingly deep and meditative experience. The premise is elegantly straightforward: draw one continuous line that passes through and flips black tiles to white until the entire grid is cleared. At first glance, this sounds almost trivial—an exercise in tracing rather than thinking—but within minutes, the game reveals an intricate logic beneath its clean exterior. Every level becomes a compact riddle of geometry and foresight, where the key to success lies not in speed but in precision, experimentation, and spatial reasoning. Unium captures the beauty of simplicity in design, where the rules are easy to understand yet infinitely challenging to master. The game’s early stages ease players in with small, forgiving grids that can be solved through intuition alone. As you draw your first few lines, the satisfaction of flipping the last black tile and watching the board reset to white creates an immediate sense of calm accomplishment. But as the puzzles progress, the layouts grow larger, the paths more convoluted, and the solutions less obvious. You soon realize that a single misplaced turn can render an entire plan useless, forcing you to retrace your steps and think several moves ahead. The puzzles demand both patience and pattern recognition, encouraging the player to slow down and visualize potential routes before committing. This gradual escalation of complexity keeps the experience engaging while maintaining its soothing rhythm, blending logical challenge with the kind of quiet focus one might associate with solving a crossword or meditating through repetition. Visually, Unium is as stripped down as puzzle games come, yet its minimalism is part of its charm. The entire interface revolves around clean black-and-white grids, occasionally accented with soft transitions and subtle animations that emphasize the precision of your actions. There are no flashy effects, characters, or storylines—just pure design distilled to its essentials. The soundtrack complements this purity perfectly with a series of calm, ambient tones that help sustain a relaxed state of concentration. The result is a meditative loop of problem-solving that feels almost therapeutic. The uncluttered presentation ensures that nothing distracts from the puzzles themselves, allowing the player to become fully immersed in the act of solving without sensory overload. The level design is the heart of Unium’s enduring appeal. Across its more than one hundred handcrafted puzzles, the game introduces a wide variety of patterns and tile arrangements that require different strategies and perspectives. Some levels rely on symmetry, while others challenge your sense of sequence and movement. The ability to retrace your line adds a subtle layer of complexity, often forcing you to plan for overlaps and reversals. Each completed puzzle delivers a crisp sense of satisfaction—the click of comprehension that puzzle enthusiasts live for. For those seeking even more variety, Unium’s integration with the Steam Workshop allows players to create and share their own puzzles, extending the game’s life far beyond its already generous set of built-in challenges. The inclusion of achievements provides additional motivation, turning even minor victories into small moments of reward. Though the core mechanics never change, Unium manages to remain compelling through the precision of its design and the elegance of its execution. However, its focus on minimalism can also be seen as a limitation. Players accustomed to narrative-driven or visually dynamic puzzle games may find its barebones approach repetitive after long sessions. There are no new mechanics introduced after the initial rule set, no story threads to tie the puzzles together, and no elaborate twists to break the monotony. The difficulty curve is well-paced but unrelenting in its logic-based nature, which can be either soothing or exhausting depending on your mindset. Yet this restraint is part of what makes Unium stand out—it is unashamedly pure in its purpose, a rare example of a game that seeks not to distract but to focus. From a technical standpoint, Unium is lightweight and impeccably optimized. It runs smoothly on virtually any system, making it an ideal choice for quick puzzle sessions on laptops, low-end PCs, or even while multitasking. The interface is intuitive, the controls respond instantly, and the overall experience feels polished despite its modest scale. For its low price, the amount of content and replay value is impressive, especially when factoring in the community-generated levels. Players can approach it as a relaxing pastime or as a mental workout, depending on how deeply they wish to engage with its challenges. Its simplicity makes it accessible to newcomers, while the later puzzles demand the kind of patience and insight that seasoned puzzle solvers will relish. Ultimately, Unium is a masterclass in minimalist puzzle design—stripped of ornamentation but rich in intellect. Kittehface Software has created an experience that feels timeless, the kind of game that can be revisited years later for the same quiet pleasure it offered at first play. It is not a game that shouts for attention, but one that rewards stillness and thought. Each line drawn is an act of deliberate focus, each puzzle a meditation on precision and perspective. For anyone seeking a peaceful yet mentally engaging experience, Unium stands as a shining example of how restraint and clarity can produce something deeply satisfying. It proves that, sometimes, the simplest rules can create the most profound challenges. Rating: 8/10
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April 2025
Addictive mind-bending puzzle game, simple to learn, challenging to master. Time-consuming fun with rewarding achievements
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Frequently Asked Questions

Unium is currently priced at 1.99€ on Steam.

Unium is currently not on sale. You can purchase it for 1.99€ on Steam.

Unium received 293 positive votes out of a total of 313 achieving a rating of 8.59.
😎

Unium was developed and published by Kittehface Software.

Unium is playable and fully supported on Windows.

Unium is playable and fully supported on MacOS.

Unium is playable and fully supported on Linux.

Unium is a single-player game.

Unium does not currently offer any DLC.

Unium is fully integrated with Steam Workshop. Visit Steam Workshop.

Unium does not support Steam Remote Play.

Unium is enabled for Steam Family Sharing. This means you can share the game with authorized users from your Steam Library, allowing them to play it on their own accounts. For more details on how the feature works, you can read the original Steam Family Sharing announcement or visit the Steam Family Sharing user guide and FAQ page.

You can find solutions or submit a support ticket by visiting the Steam Support page for Unium.

Data sources

The information presented on this page is sourced from reliable APIs to ensure accuracy and relevance. We utilize the Steam API to gather data on game details, including titles, descriptions, prices, and user reviews. This allows us to provide you with the most up-to-date information directly from the Steam platform.

Additionally, we incorporate data from the SteamSpy API, which offers insights into game sales and player statistics. This helps us present a comprehensive view of each game's popularity and performance within the gaming community.

Last Updates
Steam data 24 October 2025 17:15
SteamSpy data 21 October 2025 11:53
Steam price 31 October 2025 20:47
Steam reviews 31 October 2025 03:50

If you'd like to dive deeper into the details about Unium, we invite you to check out a few dedicated websites that offer extensive information and insights. These platforms provide valuable data, analysis, and user-generated reports to enhance your understanding of the game and its performance.

  • SteamDB - A comprehensive database of everything on Steam about Unium
  • SteamCharts - Analysis of Unium concurrent players on Steam
  • ProtonDB - Crowdsourced reports on Linux and Steam Deck Unium compatibility
Unium
1.99€ Buy Now
Rating
8.6
293
20
Game modes
Features
Online players
0
Developer
Kittehface Software
Publisher
Kittehface Software
Release 27 Mar 2015
Platforms
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