Zachtronics Industries is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products!
User reviews: Very Positive (2,728 reviews)
Release Date: Mar 2, 2011

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Recommended By Curators

"A puzzler that will both intrigue and infuriate. Combine and disassemble atoms into the right molecules to advance the plot, but beware of the bosses!"

Recent updates View all (1)

June 30

Infinifactory has left Early Access!

If you liked SpaceChem there's a good chance you'll love Infinifactory, the latest design-based puzzle game from Zachtronics!

  • LIKE SPACECHEM… IN 3D! Design and run factories in a first-person, fully 3D environment.
  • HISTOGRAMS ARE BACK! Optimize your solutions, and then optimize them more when you see how much better your friends did.
  • VISIT EXOTIC ALIEN LOCALES! Explore a story-driven campaign with 50+ puzzles, audio logs, and more.
  • BLOCKS THAT MOVE! Go beyond the campaign and push the limits of Infinifactory’s next-generation block engine in the sandbox.
  • STEAM WORKSHOP INTEGRATION! Create, share, and play custom puzzles on Steam Workshop.
http://store.steampowered.com/app/300570/

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About This Game

Zachtronics Industries is back with an ambitious new design-based puzzle game. Take on the role of a Reactor Engineer working for SpaceChem, the leading chemical synthesizer for frontier colonies. Construct elaborate factories to transform raw materials into valuable chemical products! Streamline your designs to meet production quotas and survive encounters with the sinister threats that plague SpaceChem.

Key features:


  • Over fifty mind-bending puzzles!
  • An original soundtrack by Evan Le Ny, whose music was featured in The Codex of Alchemical Engineering!
  • Twenty challenging achievements!

System Requirements

Windows
Mac OS X
SteamOS + Linux
    • OS: Windows XP SP3 / Vista / 7
    • Processor: 2.0 GHz Processor
    • Memory: 1GB RAM
    • Hard Disk Space: 300MB
    • Video Card: frame buffer support recommended
    • OS: OS X 10.7 or later
    • Processor: 2.0 GHz Processor
    • Memory: 1GB RAM
    • Graphics: frame buffer support recommended
    • Hard Drive: 300MB
    • Additional: Mono 2.6 or later
    • OS: Ubuntu 12.04 LTS, fully updated
    • Processor: 2.0 GHz Processor
    • Memory: 1 GB RAM
    • Graphics: frame buffer support recommended
    • Hard Drive: 300 MB
    • Other: Mono 2.6 or later
Helpful customer reviews
62 of 63 people (98%) found this review helpful
1 person found this review funny
47.2 hrs on record
Posted: March 15
Sheesh, where do I begin? This game is a logician's wet dream.
Sure, it's an exercise in humility, but I feel I can safely say it's also the most compelling puzzle game I have played to date. There is no chaos whatsoever--only increasingly complex order and efficiency. If ever there were a game that captured the passion of engineering, this is it.

The music is deeply inspired and provides a suitable background to your work. The story has some enrapturing quality as well, a smidge of suspense and intrigue enough to give you that extra nudge forward. This may sound insane, but reading the story between puzzles feels physically relieving, as though the stress on your mind is shifted to different regions, much like those atoms are shuffled so smoothly around the reactors, so orderly, clean and calm.

Wait, did I say 'work'? I mean that in the kindest sense possible. You'll understand once you start to 'play'; these words will become interchangeable.

I could see this game used in schools to outstanding effect.
It's a masterpiece.
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52 of 58 people (90%) found this review helpful
1 person found this review funny
4.3 hrs on record
Posted: May 23
I hated chemistry in school. You know that meme about math problems? The one about word math problems and the answer is "Purple because aliens don't wear hats". That one. That is how I felt and still feel about chemistry, engineering, and math. I have no idea where I even got SpaceChem, because I sure as hell wouldn't have bought it, unless I now have a sleep-buying condition I don't know about. At any rate, SpaceChem sat in my library for a very long time and it was only because I wanted the trading cards did I fire it up.

It sat playing in the background for a little bit, and then I noticed the soundtrack. Such an elaborate soundscape, I had to take a look at this game, even if it fried my brain.

The UI is stylish and minimalist, everything I would expect from a game with the words "Space" and "Chemistry" referenced in it. What I wasn't expecting was the rich story unfolding within the game. Like a science fiction unraveling through the planets explored with the completion of a set of puzzles found on each planet.

I won't lie, the puzzles involve chemistry and engineering (to a degree... hur hur) but don't let that put you off. Initially, I could feel my brain melt out of my ears as my senses felt overloaded with symbols, flashbacks to chemistry lab and purple because aliens don't wear hats.

But that soon subsided as I got stuck in with the tutorial and slowly tackled a couple of the earlier puzzles. There is a fluidity and beauty to this puzzle game that is perhaps what makes mathematicians, scientists and engineers smile when something goes right. I hate to admit it, but I felt it compelling at times to just watch a result replay. And there is a great sense of achievement when you solve a puzzle!

There is a lot at your fingertips within this game - there's even a periodic table that you can review - but don't let that put you off. I can only play the game in doses, but the music is perfect to thinking and solving a logical puzzle, and that is ultimately what this game comes down to: logic with chemistry elements. I imagine anyone studying engineering or chemistry may find great joy within this game - and it could even be a great learning tool to someone trying to master some of the key concepts of the subject.

If you can get pass some of symbols and terminology (and stop giggling at the term "waldo") then you will not be wasting your time exploring the puzzles and story within SpaceChem. The soundtrack alone is worth it.

I never thought I would say it, but SpaceChem is a little gem of a puzzle game. I recommend it.
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25 of 25 people (100%) found this review helpful
1 person found this review funny
36.7 hrs on record
Posted: April 13
This gem of a game has quickly become one of my favorite puzzles of all time. Looks simple, yet it's incredibly hard and complex.

I am determined to finish this game without reading a single tutorial, forum post, or a youtube video (who cheats in a puzzle game anyway?) and hopefully I'll finally prove myself I'm not stupid, as my parents have been saying since forever.
Thank you parents for ruining my self esteem and my life.
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18 of 21 people (86%) found this review helpful
1 person found this review funny
31.8 hrs on record
Posted: March 23
First 15 minutes: What the he!! is going on? So complicated! (and the graphic's not the best)

Next 45 minutes: Oh I'm so smart!

Onwards: NVM why am I so stupid?
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14 of 14 people (100%) found this review helpful
1 person found this review funny
107.6 hrs on record
Posted: June 30
SpaceChem is a wonderful puzzle game. Many puzzles are easy, some are pretty challenging. All are fun. If you are a programmer at heart, you'll love this game. If not, you might hate it, because it really requires you to think like a programmer. I am considering to use this game in my "Introduction to programming" class.
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