Buy Kerbal Space Program PC Key

Editions:
Standard

Where can you buy cheapest Kerbal Space Program PC Steam key? Check and compare prices from 19 stores to locate the best and the cheapest option for you among 36 offers featured on XD.deals. Now the lowest Kerbal Space Program PC price on keyshops can be obtained on $8.65 (80% off) and on official stores can be obtained on 80 ($9.61 off).

Release: 27 Apr 2015
Steam:
Overwhelmingly Positive (104k)
Buy in Official Store:
-75%
$9.61
Buy in Keyshops:
-80%
$8.65
See price history

Official Stores (14)

DRM:
Steam
Steam
Gamebillet
Combat Mission Shock Force 2: Battle Pack
Windows
+3
4d ago
DRM:
Steam
Gamebillet
$39.99 $9.61
-75%
Allyouplay
Kerbal Space Program
Windows
+3
4d ago
DRM:
Steam
Allyouplay
$39.99 $9.65
-75%
Steam
Kerbal Space Program
Windows
+3
5h ago
DRM:
Steam
Ends in 1 week
Steam
$39.99 $9.99
Ends in 1 week
-75%
GamersGate
Kerbal Space Program
Windows
+3
5d ago
DRM:
Steam
GamersGate
$39.99 $10.80
-72%
-10% with XDD10copy
-10% with XDD10copy
Playsum
Kerbal Space Program
Windows
+3
5d ago
DRM:
Steam
Ends in 1 day
Playsum
$39.99 $10.80
Ends in 1 day
-72%
-10% with XDDEALScopy
-10% with XDDEALScopy
Gamebillet
Kerbal Space Program
Windows
+3
1w ago
DRM:
Steam
Gamebillet
$39.99 $12.00
-69%
Gamesplanet US
Kerbal Space Program
Windows
+3
2w ago
DRM:
Steam
Gamesplanet US
$39.99 $35.99
-10%

Keyshops (22)

DRM:
Kinguin
Kerbal Space Program Steam CD Key
Windows
+3
17h ago
DRM:
Steam
Kinguin
$43.35 $8.65
-80%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Eneba
Kerbal Space Program Steam Key GLOBAL
Windows
+3
19h ago
DRM:
Steam
Eneba
$43.35 $8.66
-80%
-10% with XDD10copy
-10% with XDD10copy
Eneba
Kerbal Space Program (PC) Steam Key UNITED STATES
Windows
+3
19h ago
DRM:
Steam
Eneba
$43.35 $9.44
-78%
-10% with XDD10copy
-10% with XDD10copy
Kinguin
Kerbal Space Program RoW Steam CD Key
Windows
+3
17h ago
DRM:
Steam
Kinguin
$43.35 $9.54
-77%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
GAMIVO
Kerbal Space Program EN Global (Steam)
Windows
+3
12m ago
DRM:
Steam
GAMIVO
$39.99 $9.64
-75%
-9% with XDDealscopy
-9% with XDDealscopy
Yuplay
Kerbal Space Program
Windows
+3
5d ago
Yuplay
$39.99 $10.17
-74%
Loaded
Kerbal Space Program PC
Windows
+3
5d ago
DRM:
Steam
Loaded
$39.99 $12.19
-69%

About Kerbal Space Program

Kerbal Space Program - about the game

Kerbal Space Program is an indie simulation game where players manage a space program for quirky alien creatures called Kerbals. Released initially in 2011 and fully launched in 2015, it challenges you to build and launch spacecraft using realistic physics, exploring a fictional solar system while keeping your crew safe.

Gameplay

In this simulation, you assemble rockets, planes, and other vehicles from a wide selection of parts, each influencing performance through authentic aerodynamic and orbital mechanics. Flight controls demand precision, as you navigate launches, orbits, and landings. Crew management involves hiring and training Kerbals, who can perform tasks like extra-vehicular activities outside their ships.

Exploration extends to planets and moons in the Kerbol system, where you scan for biomes, set up communication networks, and extract resources. Docking mechanics allow combining vessels to form space stations or bases, expanding your program's capabilities.

Game Modes

Kerbal Space Program includes three main modes to suit different playstyles. Science Mode focuses on conducting experiments in space to gather data and unlock new technologies, progressing through a tech tree without financial constraints.

Career Mode adds layers of management, requiring you to handle budgets, contracts, and facility upgrades while building and launching missions. Sandbox Mode provides unrestricted access to all parts and technologies, letting you experiment freely without goals or limitations.

Key Features and Community

The game supports a robust modding community that introduces additions like new parts, enhanced physics, and even interstellar travel options. These mods keep the experience fresh, with popular ones improving realism or adding multiplayer elements through community efforts.

Recent discussions as of 2026 highlight ongoing player engagement, with many appreciating the balance of challenge and accessibility in its core systems.

Is It Worth Playing?

For those interested in space simulation and engineering puzzles, Kerbal Space Program remains a strong choice in 2026, thanks to its deep mechanics and active mod community. Player feedback often praises the satisfaction of successful missions after trial and error, with long-term players logging thousands of hours.

It suits creative builders and strategy enthusiasts, though the learning curve can be steep for newcomers. With no major official updates since 2021, the game's longevity comes from community content, making it worthwhile if you enjoy moddable simulations.

Interface:
GermanEnglishSpanish - SpainFrenchItalianJapanesePortuguese - BrazilRussianSimplified Chinese

Age rating

Unavailable
Steam:
Overwhelmingly Positive (104k)

Minimum:

  • Processor: Core 2 Duo 2.0 Ghz
  • Memory: 4 GB RAM
  • Graphics: DX10 (SM 4.0) capable, 512MB VRAM
  • Storage: 3 GB HD space

Recommended:

  • OS: Windows 10 64-bit
  • Processor: Core i5
  • Memory: 8 GB RAM
  • Graphics: DX10 (SM 4.0) capable, 1GB VRAM
  • Storage: 4 GB HD space

Minimum:

  • OS: macOS 10.12+ 64-bit
  • Processor: Intel
  • Memory: 4 GB RAM
  • Graphics: SM 4.0 512MB VRAM
  • Storage: 3 GB HD space

Recommended:

  • OS: macOS 10.12+ 64-bit
  • Processor: Intel Core i5
  • Memory: 8 GB RAM
  • Graphics: SM 4.0 1GB VRAM
  • Storage: 4 GB HD space

Minimum:

  • OS: Ubuntu 16.04+ 64-bit
  • Processor: Core 2 Duo
  • Memory: 4 GB RAM
  • Graphics: SM 4.0 512MB VRAM

Recommended:

  • OS: Ubuntu 18.04 LTS
  • Processor: Core i5
  • Memory: 8 GB RAM
  • Graphics: SM 4.0 1GB VRAM
  • Storage: 4 GB HD space
Historical low
Price history from official stores
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Price history from keyshops
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FAQ

8 questions

Before you start looking for a cheap Kerbal Space Program PC key, check the essentials. Developed by Squad. Published by Private Division . PC released date: 27 Apr 2015. Genres: Indie, Simulation.

Q

Where to buy a cheap Kerbal Space Program Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a Kerbal Space Program key for as low as $8.65. This deal is available at Kinguin and is among the cheapest offers on the market. All keys listed on XD.deals are delivered digitally and eligible for instant download after payment. Prices already include processing fees and applied promo codes, so you always see the lowest Kerbal Space Program price on PC. Check the Kerbal Space Program price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the Kerbal Space Program Steam price is $9.99. You can save an extra ~6% by paying with a discounted Steam gift card.

Our price tracker covers both official retailers and key marketplaces, so you can find Kerbal Space Program on sale even outside seasonal promotions. We currently detect 36 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, Kerbal Space Program is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Kerbal Space Program has an official page on the Steam Store. You can also buy a Kerbal Space Program Steam key from third-party sellers. Our price comparison currently includes 33 offers with Steam DRM. Pick one to ensure your Kerbal Space Program download happens on Valve's platform.

Yes, with minor tweaks. Kerbal Space Program is Steam Deck Playable - it works after small adjustments like selecting a Proton version or using the touchscreen for tiny launcher text. You can play Kerbal Space Program on Steam Deck.

Kerbal Space Program 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 Kerbal Space Program 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.

Best prices for Kerbal Space Program

1 Kinguin Kinguin Keyshop
-80% $8.65
2 Eneba Eneba Keyshop
-80% $8.66
3 Gamebillet Gamebillet Official
-75% $9.61
4 GAMIVO GAMIVO Keyshop
-75% $9.64
5 Allyouplay Allyouplay Official
-75% $9.65

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