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Opus Magnum Game Cover

About Opus Magnum

Opus Magnum is a single player casual simulation game. It was developed by Zachtronics and was released on June 9, 2019. It received very positive reviews from critics and overwhelmingly positive reviews from players.

Master the intricate, physical machinery of the transmutation engine— the alchemical engineer’s most advanced tool— and use it to create vital remedies, precious gemstones, deadly weapons, and more. Design Machines - Design and build machines that carry out alchemical processes using a variety of components.Open-Ended Puzzles - Compete against your friends and the world to build the simplest, fast…

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Reviews

97%Audience ScoreBased on 4,427 reviews
story330 positive mentions
grinding65 negative mentions

  • Engaging and satisfying puzzle mechanics with open-ended solutions allowing creativity and multiple approaches.
  • Beautiful art style, immersive steampunk theme, and a well-integrated, light but enjoyable storyline.
  • High replayability through optimization challenges (cost, speed, area), community puzzles, and a charming minigame.
  • Lacks some quality-of-life features like zooming, better instruction editing (copy-paste, stepping back), and UI scaling for high resolutions.
  • Late-game puzzles can become tedious and overwhelming due to complexity and lack of better debugging tools.
  • The storyline is weak or underdeveloped for some players, and the minigame achievements may feel tedious.
  • story

    852 mentions Positive Neutral Negative
    39% positive mentions, 58% neutral mentions, 3% negative mentions

    The story in Opus Magnum is generally well-received for a puzzle game, offering a charming, engaging, and lightly humorous steampunk-alchemy narrative that ties puzzles together without overshadowing gameplay. While some find it simple, minimal, or occasionally tedious, many appreciate its role in providing context, character development, and atmosphere, making progress feel meaningful and enhancing the overall experience. The story is skippable for those focused solely on puzzles, but it adds flavor and motivation for others, with additional content and lore extending beyond the main campaign.

    • “The story is amazing.”
    • “Strangely, Opus Magnum manages to be more than just one of the all-time great puzzle games, it also has a fantastic story set in a fascinating cyberpunk-by-way-of-Paracelsus world.”
    • “The storyline turned out to be deep and well-written, which is way more than I expected from a casual puzzle game.”
    • “The story was very boring and got dumb very quickly and it is completely unnecessary, don't even bother next time.”
    • “The story is bland and dry: 'lady madam needs some eye cream, you have unlimited budget, time, and space, go nuts'.”
    • “Would be much better without a story and these somewhat ugly characters yapping something irrelevant.”
  • gameplay

    483 mentions Positive Neutral Negative
    34% positive mentions, 64% neutral mentions, 2% negative mentions

    The gameplay is praised for its elegant blend of simple yet deep mechanical puzzle mechanics, offering a high degree of creative freedom, intuitive programming-like controls, and a satisfying optimization element. It provides a smooth learning curve with engaging, challenging puzzles that encourage experimentation and refinement without overwhelming complexity. While some find the content repetitive late-game and the story peripheral to gameplay, the core experience is widely regarded as captivating, polished, and richly rewarding for fans of logic, mechanical design, and programming-oriented puzzles.

    • “The grand complexity afforded by such a simple set of tools and mechanics compels fanatic time-wasting in the pursuit of perfection.”
    • “This game stands out as one of the finest mechanical puzzles available, offering a complex and well-crafted system design that is both challenging and rewarding.”
    • “The puzzle solving in this game has a lot of depth and freedom to experiment with different mechanics and techniques while not being overwhelming, and I can even find myself spending extended periods of time enjoying the marble minigame.”
    • “The gameplay starts to feel tedious after chapter 2: every level looks more or less the same, giving you the feeling of “I know I can finish it, but it'll take a while."”
    • “Drags a little towards the halfway/endgame once you fully understand the ins and outs of the mechanics but still have to do the busy work.”
    • “[b]Gameplay[/b] unfortunately, in terms of the mechanics, I felt this was a step down from SpaceChem.”
  • graphics

    248 mentions Positive Neutral Negative
    58% positive mentions, 41% neutral mentions, 1% negative mentions

    Opus Magnum features stunning, clean, and polished graphics with a distinctive steampunk aesthetic that beautifully complements its intricate puzzle mechanics. The visuals are highly praised for their satisfying animations, elegant art style, and harmonious integration with the game's music and storytelling, creating an immersive and captivating experience. While simple and accessible, the graphics effectively highlight the creativity and complexity of player-built machines, making each solution visually appealing and engaging to watch.

    • “The game boasts stunning graphics, with intricately designed machines and mesmerizing animations that bring your creations to life.”
    • “Opus Magnum's visuals are not very complicated, but to my eyes, the little alchemy machines are things of exquisite beauty - even screenshots are delightful, but watching them in action is amazing.”
    • “Everything is lovingly detailed in a steampunk aesthetic, and watching your machines run is endlessly satisfying.”
    • “It crashed in the loading screen saying there was a low level graphics exception.”
    • “The graphics are quite simplistic, and your visual cortex will be very idle when you play this game.”
    • “I did not like this one as much as the others, possibly because the story was a bit strange and also graphics were a bit weird.”
  • optimization

    186 mentions Positive Neutral Negative
    24% positive mentions, 73% neutral mentions, 3% negative mentions

    The game excels in offering deep, open-ended optimization challenges across cost, space, and speed metrics, with optional but rewarding leaderboards and detailed performance graphs fueling replayability. Solutions range from simple completions to elegant, highly optimized contraptions, appealing to both casual players and hardcore optimization enthusiasts. While some find the optimization less complex than previous Zachtronics titles, the game's design balances accessibility with the satisfaction of iterative improvement and creative problem-solving.

    • “Every puzzle feels rewarding to solve, but what I enjoyed most is that the challenge isn't just finding a solution, it's finding the most elegant and optimized one.”
    • “The puzzles are relatively easy to beat if you just want to progress, but with a leaderboard on three different optimization goals, they are all endlessly replayable to really get optimal solutions.”
    • “Solutions can be optimized based on different parameters - there are graphs to compare your solution to the best results of other players and a leaderboard to compete with friends.”
    • “The game's main drawback is the lack of a performance graph (any cycle/gold metric) of other alchemists.”
    • “The cost and footprint optimization are nearly the same in every level and the cycle optimization is mostly about figuring out some positions for the arms where they don't block each other and then enter a hundred or so repetitive commands to complete the level.”
    • “So between all of that, a few other minor points, optimizing for anything but steps (to completion) is a mental struggle; note that I used 'struggle' and not 'challenge' since a lot of the optimization part of gameplay is stuff like having to search around for a part whose number is hidden under the arm of another part, having to keep a mental log of what number parts are in a group, and trying to remember the significance of a chunk of the 200+ commands you have on one arm...”
  • music

    138 mentions Positive Neutral Negative
    59% positive mentions, 37% neutral mentions, 4% negative mentions

    The music in this game is widely praised for its relaxing, ambient, and fitting soundtrack that perfectly complements the puzzle-solving and thematic atmosphere. While some note it can become repetitive over long sessions, the majority find it enhances immersion and focus without becoming intrusive. Overall, the soundtrack is considered a standout feature alongside the art and story, contributing significantly to the game's engaging and enchanting experience.

    • “Combined with a mesmerizing soundtrack that complements the gameplay perfectly, Opus Magnum creates an immersive and enchanting atmosphere that pulls you deeper into its alchemical world.”
    • “It's a great puzzle game with a compelling story, beautiful art style and amazing music.”
    • “The music is absolute top notch and makes me feel like a real alchemist making the elixir of life or something.”
    • “The game only has 1 music track and it plays over and over, and even though it's long, it does eventually become annoying, so I muted it allowing me to appreciate the sounds of the machines more.”
    • “The music is repetitive, as one might expect in this situation, and sometimes distracting, but well done nonetheless.”
    • “6) The music gets repetitive fast especially when working on one of the harder problems.”
  • replayability

    103 mentions Positive Neutral Negative
    39% positive mentions, 58% neutral mentions, 3% negative mentions

    The game offers exceptional replayability through its multi-metric optimization system (cost, speed, size), encouraging players to revisit and refine solutions for each puzzle. This depth, combined with community-created content, leaderboards, and a fun solitaire minigame, provides near-infinite challenges and variety, making it highly engaging for both casual play and optimization enthusiasts.

    • “The game also has a mahjong style mini-game that is infinitely replayable and randomizes every time.”
    • “An incredible game with infinite replayability and challenges as the Steam Workshop content continues to evolve into more and more complex puzzles.”
    • “There are many approaches to solving each puzzle, and Steam Workshop integration adds a great deal of replay value.”
    • “It was quite short, with no real replay value.”
    • “The few downsides are the story, which is fun at first but soon gets tedious and very disengaged from the actual gameplay, and that there might after all be limited replayability, especially if you don't find the fine-tuning part entertaining.”
    • “The only thing would be the price tag might be a bit high for the amount of content, but I'm not the kind of person to spend loads of time reworking something to be more efficient so that would add a lot of replayability.”
  • grinding

    66 mentions Positive Neutral Negative
    0% positive mentions, 2% neutral mentions, 98% negative mentions

    Grinding in the game is often described as tedious and repetitive, with many users frustrated by the lack of quality-of-life features like shortcuts, command copying, and selective repetition. While the puzzles remain solvable and engaging initially, the increasing complexity leads to long, monotonous programming tasks that require more persistence than creativity. Despite this, some players still find satisfaction in the meticulous process, though many caution that the later stages can feel like a chore rather than fun.

    • “You can't skip to a specific step in your solution; instead, you have to watch your own solution over and over just to see a later part or troubleshoot. You can't copy and paste commands, and many smaller quality-of-life improvements would make it less tedious in higher-level puzzles.”
    • “None of the puzzles were truly challenging or forced me to think outside the box; they just required tediously writing out long lists of instructions to accomplish a simple task.”
    • “Programming with those instructions is tedious, and the lack of breakpoints and fast-forward makes debugging or even construction a pure waste of time and a nightmare.”
  • humor

    40 mentions Positive Neutral Negative
    98% positive mentions, -1% neutral mentions, 3% negative mentions

    Humor in the game is widely appreciated for its clever, light-hearted dialogue and witty character interactions, adding charm without overwhelming the gameplay. The story balances dry humor, philosophical musings, and amusing character dynamics, often eliciting genuine laughs through its quirky setting and playful tone. Additionally, the comedic elements extend to gameplay moments, such as creating hilarious, inefficient machines, enhancing the overall fun experience.

    • “The dialogue/story is very funny, and the puzzles in the game get challenging at a nice pace.”
    • “Though light, the story strikes a nice balance between philosophical musings, dry humor, and glimpses of a larger world.”
    • “Add to that some amazingly wonderful music and some story tidbits that really had me invested and genuinely charming and funny dialogues (coming from someone who is normally a stick in the mud), and I will say you have something special with this game at hand.”
  • atmosphere

    29 mentions Positive Neutral Negative
    59% positive mentions, 41% neutral mentions, 0% negative mentions

    The atmosphere of the game is consistently praised as immersive, captivating, and well-crafted, blending gothic, alchemical, and steampunk elements with polished art, music, and UI design. It creates a relaxing yet engaging environment that enhances gameplay and keeps players focused without frustration. Overall, the atmosphere significantly enriches the experience, often being highlighted as a standout feature alongside the puzzles.

    • “Combined with a mesmerizing soundtrack that complements the gameplay perfectly, Opus Magnum creates an immersive and enchanting atmosphere that pulls you deeper into its alchemical world.”
    • “The atmosphere, the story, the music, the puzzles themselves, the extremely satisfying physical look and feel of mechanical system executing your program - all of this is just perfect.”
    • “The art, music, and UI design really solidify the atmosphere and pull this together into a complete package.”
  • emotional

    13 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The game evokes a range of emotions, from feelings of intelligence and accomplishment when solving puzzles to moments of genuine emotional depth and touching character development. While some characters lack emotional complexity, the story and gameplay together create a rewarding and emotionally engaging experience.

    • “The story is surprisingly good, with solid emotional beats and clear character arcs, leading to a well-rounded experience in a game that could do well even without a plot.”
    • “The story was fun and interesting enough for being such an overall small part of the game; some moments were very touching and brought a lot of humanity to some of the characters.”
    • “It's a complex emotional ride that offers deep despair and euphoric highs.”
  • stability

    8 mentions Positive Neutral Negative
    38% positive mentions, 12% neutral mentions, 50% negative mentions

    The game generally runs very smoothly and is stable, especially on Linux, with minimal bugs or glitches. However, some users reported occasional freezing issues, such as the Mahjong counter freezing on startup. Overall, it feels polished and reliable despite being early access.

    • “I bought the game at the end of the Early Access period, and I experienced no glitches or bugs.”
    • “The price is low for the amount of fun, and the game, though in Early Access, is not buggy and seems very polished.”
    • “Runs great on Linux.”
    • “The counter in mahjong was also buggy sometimes.”
    • “3 out of 4 times the game freezes on startup and needs a full PC reset.”
  • monetization

    5 mentions Positive Neutral Negative
    0% positive mentions, 0% neutral mentions, 100% negative mentions

    Monetization includes some praised clever advertising methods, like sharing animated solution gifs that entice purchases, but recent updates introducing intrusive pop-under ads have been widely criticized and have discouraged some users from buying DLC.

    • “Great game, but the last update added something awful: pop-under advertising!”
    • “To be absolutely clear: I refuse to buy the DLC until after this scummy advertising behavior is corrected.”
    • “I'm here because of Goodbye Galaxy and I think this video is the best advertisement for the game.”
  • character development

    2 mentions Positive Neutral Negative
    100% positive mentions, 0% neutral mentions, 0% negative mentions

    The game delivers impressive character development and world-building despite its short length, effectively using limited visuals and dialogue to create an engaging story.

    • “It's a puzzle game with an engaging story that manages to do an impressive amount of world-building and character development in a small number of still images and dialogues.”
    • “The game (and therefore story) isn't terribly long but it accomplishes some admirable world-building and character development in that time.”
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Play Times

17h Median play time
20h Average play time
5-30h Spent by most gamers
*Based on 17 analyzed playthroughs
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Frequently Asked Questions

Opus Magnum is a casual simulation game. Common tags for Opus Magnum include indie, 2d, automation, soundtrack, steampunk and others.

Opus Magnum is available on PC, Mac OS, Windows, Linux and others.

On average players spend around 20 hours playing Opus Magnum.

Opus Magnum was released on June 9, 2019.

Opus Magnum was developed by Zachtronics.

Opus Magnum has received very positive reviews from players and very positive reviews from critics. Most players liked Opus Magnum for its story but disliked it for its grinding.

Opus Magnum is a single player game.

Similar games include Infinifactory, Kaizen: A Factory Story, EXAPUNKS, SpaceChem, Shenzhen I/O and others.