Infinifactory

Infinifactory

Zachtronics · 2015 · Puzzle, Building, Automation, Indie, Programming

PC
Overwhelmingly Positive95% · 1,78310playing now
Best price 36 Fair price
$10.04-50%
lowest tracked $4.87
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Standard Edition · Steam
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Standard Edition · DRM-Free
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Humble Store
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Eneba
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Standard Edition · Steam
$10.04
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About Infinifactory

✦ AI summary

Build and optimize factories in a fully 3D first-person environment to assemble products for your alien overlords across a story-driven campaign with 50+ puzzles. Compete against friends' solutions with detailed optimization histograms and create custom puzzles in the Steam Workshop sandbox.

Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.
  • 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.

What Steam players say

Recent verbatim reviews from Steam — separate from playze.io community reviews below.

Recommended Jul 6, 2026
My favorite Zachtronics game, I find it to be that solving the puzzles is the first part of the game, and then the 'endgame' is to go back and optimize the hell out of one of the three metrics, minimizing parts used and footprint was most fun to me, optimizing cycle time is perhaps the most impressive, but on a few stages I got high scores on least parts used and also got 90th percentile + cycle times, feels good. That tickling of the engineering part of your brain is to the max in a very intuitive and pleasing 3D format for people that think spatially. Much more of a puzzle game than a factory game, despite the name. A puzzle game in the format of a factory automation builder. Kind of a decent backdrop story and setting too, but nothing too deep, very cozy and satisfying experience.
1 found this helpful
Recommended Jun 28, 2026
I can confidently say this is the best 3D puzzle game I've played up to this point. It's got great levels with amazingly polished mechanics that turn out highly satisfying on completion (don't forget to record the cooler solutions with the built in gif generator). The levels from the bonus campaign were especially great. Even its small irrelevant story was charming. I did however have a few nitpicks: [list] [*] a lot of the game is trial and error trying to find the right timing of your contraptions, which can get annoying at times and it makes your solutions feel slightly unstable [*] refactoring a solution can be very time consuming because building in a 3D environment naturally takes longer [*] while the general difficulty progression is good, I felt like it had a few too many repetitive levels in the early section [/list]
1 found this helpful
Recommended Jul 11, 2026
an absolutely amazing automation game, the last levels are crazy headaches but it's so much worth your time
Recommended Jul 11, 2026
Great puzzle game. easy to understand and levels get hard fast.
Recommended Jul 8, 2026
A couple hours in and im losing my mind over one of the levels but its been really fun! The puzzles are difficult but intuitive and are vague enough to be open ended but clear enough to not be completely abstract. Currently trying to figure out how to Minecraft redstone my way into using a sensor to trigger a pusher to trigger another pusher into pushing my giant welded brick into the goal box. It's 100% not the intended solution (given that it's only the 2nd (3rd if you count the tutorial) world and there's no downward pushers which would make things so much easier) but I've already built the rest of the solution and it mostly works so i'm just being stubborn. Anyway, I'll update this once i complete the game (hopefully).
Recommended Jun 23, 2026
fun, hard, and absorbing. Puzzles are nutz, and the story is surprisingly good.

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