Unium

About

Unium is a single player casual puzzle game. It was developed by Kittehface Software and was released on March 26, 2015. It received very positive reviews from players.

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

Genres & Tags

Play Modes

Single-Player

Skip User Reviews

92%

Audience ScoreBased on 132 reviews

music14 positive mentions

Minimalist yet deep puzzle design that starts simple and becomes challenging, rewarding precision, experimentation, and spatial reasoning.
Clean and distraction-free black-and-white visuals complemented by calming ambient music that creates a meditative, relaxing atmosphere.
Generous content including over 100 handcrafted puzzles with varied difficulty, plus Steam Workshop integration and a level editor for extended replayability.

Lack of new mechanics after initial rules can lead to repetition and monotony during long play sessions, especially at advanced levels.
Some puzzles rely heavily on trial-and-error due to limited in-game hints and uncommon mechanics introduced abruptly, which can frustrate casual players.
Very simplistic and barebones presentation may not appeal to players seeking narrative or visually dynamic puzzle games.

music
27 mentions Positive Neutral Negative
52%
37%
11%
The music in the game is consistently praised for its calming, ambient, and relaxing qualities that enhance focus and create a soothing atmosphere. However, some users note a lack of variety, leading to the soundtrack becoming repetitive or tiresome over extended play sessions. Overall, the soundtrack complements the puzzle gameplay well, contributing positively to the game's tranquil vibe.
- “The soundtrack complements this purity perfectly with a series of calm, ambient tones that help sustain a relaxed state of concentration.”
- “The music provided a nice, unobtrusive ambience that worked even for hours of play at a time.”
- “Finding fun in drawing a straight line is somewhat magical, and the soundtrack makes a great relaxing atmosphere.”
- “I wish there was a better variety of music with the game, because the same ambient noises over and over got really tiresome.”
- “Music can get annoying if played for too long; either have longer pauses or turn it off as explained above.”
- “The puzzle game features a small collection of music tracks, with one randomly selected once you start to solve a puzzle.”
gameplay
20 mentions Positive Neutral Negative
20%
65%
15%
The gameplay centers on a simple, minimalist puzzle mechanic of drawing a line to cover black squares, offering relaxing and precise execution without introducing new mechanics or story elements. While straightforward and easy to grasp initially, the puzzles increase in complexity over time, providing a satisfying challenge despite the lack of variety or elaborate twists. The design is clean and controls are smooth across platforms, making for an enjoyable, if somewhat understated, puzzle experience.
- “Though the core mechanics never change, Unium manages to remain compelling through the precision of its design and the elegance of its execution.”
- “No bugs and smooth, simple gameplay that is astoundingly hard to master.”
- “Its puzzles do not provide depth in terms of new mechanics, but is able to do a lot with what it has.”
- “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.”
- “It's nice that it has various difficulty levels but sadly there aren't many mechanics.”
- “The puzzles in beginner are easy to understand and can be solved in minutes, but as more mechanics of the game are revealed to you (namely neutral tiles and crossing lines), the puzzles start to suck away more and more time.”
graphics
10 mentions Positive Neutral Negative
40%
30%
30%
The graphics are minimalist and simple, featuring neat 2D visuals that don't push PC capabilities but effectively complement the game's focus on challenging puzzles. This understated design helps players concentrate on gameplay without distraction, offering a clean and pleasant aesthetic.
- “Both music and graphics are of simple design, which is fine as you are not disturbed and can fully concentrate on the puzzles.”
- “Neat visuals and music too.”
- “Engaging puzzle game with nice visual and music aesthetics.”
- “Graphics are minimalist, 2D, and take zero advantage of the PC's capabilities.”
- “Bland looking visuals and simplistic sound design are just the backdrop for the head-bashingly hard puzzles.”
- “It might not be the most visually interesting game around; however, its minimal aesthetic means you'll be keenly focused on the problem at hand rather than ogling all the pretty colours.”
story
4 mentions Positive Neutral Negative
50%
50%
The story aspect is minimalistic and straightforward, with no elaborate characters, twists, or narrative threads, focusing instead on pure design and core mechanics. While the game lacks a traditional storyline, it offers depth through challenging gameplay mastery.
- “There are no flashy effects, characters, or storylines—just pure design distilled to its essentials.”
- “Moral of the story: you never know what life has in store for you, and if I had given up when all odds were against me, I wouldn't be where I am today.”
- “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.”
- “However, despite the simplicity of understanding the game, mastering it is a completely different story.”
replayability
3 mentions Positive Neutral Negative
67%
33%
The game offers impressive replayability through abundant content and community-generated levels, with challenging achievements that encourage alternative solutions. However, some users feel the low price contrasts with a perceived lack of replay value for them.
- “For its low price, the amount of content and replay value is impressive, especially when factoring in the community-generated levels.”
- “There are challenging achievements to be obtained, oftentimes requiring solving given riddles in particular, alternate ways, adding to replayability.”
- “It's price point is cheap (that said there is no replayability here).”
optimization
2 mentions Positive Neutral Negative
100%
Unium is highly optimized and lightweight, ensuring smooth performance on nearly any system, including laptops and low-end PCs. Its efficient design makes it perfect for quick puzzle sessions and multitasking without lag.
- “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.”
atmosphere
1 mentions Positive Neutral Negative
100%
The atmosphere is praised for its relaxing and calming vibe, enhanced by a soothing soundtrack that makes even simple actions like drawing a straight line feel enjoyable and magical.
- “Finding fun in drawing a straight line is somewhat magical, and the soundtrack creates a great relaxing atmosphere.”