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About Complex SKY

Complex SKY - about the game
Build a self-sustainable city in the skies amid a polluted world using Complex SKY's gravity-defying architecture. Stack buildings upward or flip the entire structure upside down to expand without limits, while linking them into unique formations. Supply water and electricity to keep operations smooth, balance citizen well-being with industrial output, and optimize production chains from basic mining to advanced materials. This strategy simulation blends city-building with puzzle elements in challenge or sandbox modes, plus custom difficulty for tougher tests. Choose from tech corporations with distinct traits to unlock perks, advanced tech, and schematics by meeting scientists', workers', and operators' needs. Solo developers crafted its minimalistic art and upbeat soundtrack for fans of intricate, vertical city management on PC.



COMPLEX SKY is a futuristic city building game with a unique architecture system - build the city both ways, up and down! The world is devastated by pollution, and it’s up to you to create a fully self-sustainable city in the skies, and populate it with human settlers.



Create a world, unrestricted by gravity. Unite buildings into wondrous formations, gather resources, create production chains and develop the world’s ecosystems - all to build a fully automated, self-sustainable city among the skies.

Created by a solo developer, COMPLEX SKY is a genre-blending mix of city-building gameplay with puzzle and strategy elements.



Build beautiful, gravity-defying landscapes: Stack structures on top of each other and create a city unlike any other! The city is your oyster: create your own style!



Once you run out of space, flip the whole city upside down and continue building, using the game’s unique vertical architecture system. Keep your city running by supplying buildings with water and electricity. Time to put your engineer hard hat on!



Choose a tech corporation to headline the Complex SKY project - each with their own traits, advantages and drawbacks. Keep the perfect balance between the well-being of your citizens and industrial might and utilize all the perks of your corporation to the max.



Scientists, Workers and Operators will populate your Utopia, and their well-being is key to the prosperity of your city. Fulfill their needs and get access to advanced technology and building schematics. Create your own technocratic paradise!



Set up supply chains, and grow and optimize them to ensure the steady growth of your city. Start by mining rock and coal and progress to developing experimental composite materials.



Choose from a story-based CHALLENGE mode and a free-range SANDBOX. Want to test your skills further? Spice it up with the custom difficulty setting and see how far you can get in an unforgiving environment.



Complex SKY is presented in a strikingly minimalistic art style,which is further enhanced by a playful, upbeat soundtrack.
Interface:
GermanEnglishSpanish - SpainFrenchHungarianItalianJapanesePortuguese - PortugalPortuguese - BrazilRussianSimplified ChineseTraditional Chinese
Audio:
English
Subtitles:
GermanEnglishSpanish - SpainFrenchHungarianItalianJapanesePortuguese - PortugalPortuguese - BrazilRussianSimplified ChineseTraditional Chinese

Age rating

Unavailable

Minimum:

  • OS: Windows 10
  • Processor: Requires a 64-bit processor and operating system
  • Memory: 6 GB RAM
  • Graphics: dedicated graphics card
  • DirectX: Version 11
  • Storage: 1 GB available space

Recommended:

  • OS: Windows 10
  • Processor: Requires a 64-bit processor and operating system
  • Memory: 12 GB RAM
  • Graphics: NVIDIA Geforce GTX 960 or equivalent
  • DirectX: Version 11
  • Storage: 1 GB available space
Historical low
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FAQ

8 questions

Before you start looking for a cheap Complex SKY key, check the essentials. Developed by Momosundeass. Published by CRITICAL REFLEX. PC released date: Coming Soon. Genres: Strategy, Simulation, Early Access. Categories: Family Sharing, Single-player, Steam Achievements, Steam Cloud.

Q

Where to buy a cheap Complex SKY Steam key?

Complex SKY is free to play! Download it on Steam and start playing instantly.

Complex SKY is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find Complex SKY on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Complex SKY is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Complex SKY has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Complex SKY as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Complex SKY does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Complex SKY deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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