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Space Builder Idle cover

Space Builder Idle CD Key

PC price comparison · bksilgames · Nov 6, 2026

CasualIndieSimulation

Start with a small furnace and build your space base, one module at a time. Hire workers, automate production, build an Artificial Sun and assemble your own ship. Use Prestige to start again with permanent upgrades.

Lowest final price

$2.39−20%

at Steam · Standard Official

Historical low: $2.39 on November 7, 2026

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Compare Space Builder Idle key prices

Sorted by final price including fees, never by commission.

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Space Builder Idle price history

Price history has been recorded since Nov 7, 2026.
The chart appears after a few days.

Historical lows by store

  • Steam$2.39

About Space Builder Idle

Start with a small furnace and build your space base, one module at a time. Hire workers, automate production, build an Artificial Sun and assemble your own ship. Use Prestige to start again with permanent upgrades.It all starts with a small furnace. Gather your first materials and build your first facility. Watch an empty platform become the start of your space base.Build more. Produce more. Hire workers and add new modules to your base. Watch workers carry materials and assembly robots keep production moving.Build your own sun. Watch an Artificial Sun take shape, piece by piece, until it lights up. Keep developing your base and increase its production.Connect your growing base. Build a Hub Terminal and watch freight trains carry their loads. Expand your research facilities, all the way to a Deep Space Lab.Assemble your own ship. Watch each section come together to form a ring-shaped ship. Your space base keeps growing, one construction at a time.Prestige and start stronger. Spend earned Prestige Points on permanent passive abilities. Choose your upgrades, start a new run and build faster than before.Read more
  • Space Builder Idle screenshot 1
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Space Builder Idle system requirements

Minimum

  • Requires a 64-bit processor and operating system
  • OS: Windows 10 / Windows 11 (64-bit)
  • Processor: Intel Core i5-8400 / AMD Ryzen 5 2600
  • Memory: 8 GB RAM
  • Graphics: NVIDIA GeForce GTX 1050 / AMD Radeon RX 560
  • Storage: 1 GB available space

Recommended

  • Requires a 64-bit processor and operating system
  • OS: Windows 10 / Windows 11 (64-bit)
  • Processor: Intel Core i5-10400 / AMD Ryzen 5 3600
  • Memory: 16 GB RAM
  • Graphics: NVIDIA GeForce GTX 1650 / AMD Radeon RX 570
  • Storage: 1 GB available space

Space Builder Idle key FAQ

+What is a Space Builder Idle CD key?

A Space Builder Idle CD key is a digital code that unlocks the game on a PC platform such as Steam. After redeeming it, you download the game directly from that platform and it stays in your library.

+What is the cheapest price for Space Builder Idle?

The cheapest Space Builder Idle key right now costs $2.39 at Steam, 20% off the regular price. We compare 1 offers from 1 store, and the price already includes payment and service fees.

+What is the historical low for Space Builder Idle?

The lowest price we have recorded for Space Builder Idle is $2.39 on November 7, 2026. Check the price history chart to decide whether to buy now or wait for the next sale.

+Is it safe to buy a Space Builder Idle key?

Buying from an official store such as Steam, GOG or Epic Games is always safe. Key resellers are often cheaper but sell keys second-hand, so check the region lock and buyer protection before you buy. Every offer on GameKeyDeal is labelled as official or reseller.

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