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Buy Stellaris: Cosmic Storms PC key

Warning

This DLC requires base game Stellaris.

Looking to buy a cheap Stellaris: Cosmic Storms Steam key? Compare prices from 24 stores to discover the top deal among 26 offers available on GG.deals. According to our finds, the lowest price for Stellaris: Cosmic Storms PC can be found on Gog.com at $7.79 (40% off).

Compare prices in Official Stores

Filters
Platforms: Windows, Mac, Linux
DRM: Steam
Added:
-15% with NEXUSSTORMCopy

Compare prices in Keyshops

Risk info
Filters
Platforms: Windows, Mac, Linux
DRM: Steam
Added:
-3% with YUPLAYCopy
Platforms: Windows, Mac, Linux
DRM: Steam
Added:
Regular price: $12.99Discount: -22%Cheapest price: ~$10.12Discount code: -8% with GGD8with ~$1.34 fee
-8% with GGD8Copy
Platforms: Windows, Mac, Linux
DRM: Steam
Added:
Regular price: $12.99Discount: -15%Cheapest price: ~$10.95Discount code: -13% with SEALGG13with ~$1.03 fee
-13% with SEALGG13Copy

Included in

(2)

System Requirements

Minimum System Requirements:


  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® iCore™ i3-530 or AMD® FX-6350
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 460 or AMD® ATI Radeon™ HD 5870 (1GB VRAM), or AMD® Radeon™ RX Vega 11 or Intel® HD Graphics 4600
  • DirectX: Version 9.0c
  • Network: Broadband Internet connection
  • Storage: 10 GB available space
  • Sound Card: Direct X 9.0c- compatible sound card
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Recommended System Requirements:


  • OS: Windows® 10 Home 64 Bit
  • Processor: Intel® iCore™ i5-3570K or AMD® Ryzen™ 5 2400G
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 560 Ti (1GB VRAM) or AMD® Radeon™ R7 370 (2 GB VRAM)
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Storage: 10 GB available space
  • Sound Card: DirectX 9.0c-compatible sound card
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Minimum System Requirements:


  • OS: 13 (Ventura)
  • Processor: Intel® iCore™ i5-4570S
  • Memory: 8 GB RAM
  • Graphics: Nvidia® GeForce™ GT 750M or equivalent AMD® card with 1GB Vram
  • Network: Broadband Internet connection
  • Storage: 10 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Recommended System Requirements:


  • OS: 13 (Ventura)
  • Processor: Intel® iCore™ i5-4670
  • Memory: 8 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 780M with 4GB Vram or AMD® Radeon™ R7 370 (2 GB VRAM)
  • Network: Broadband Internet connection
  • Storage: 10 GB available space
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Minimum System Requirements:


  • OS: Ubuntu 22.04 x64
  • Processor: Intel® iCore™ i3-530 or AMD® FX-6350
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 460 or AMD® ATI Radeon™ HD 5870 (1GB VRAM), or AMD® Radeon™ RX Vega 11 or Intel® HD Graphics 4600
  • Network: Broadband Internet connection
  • Storage: 12 GB available space
  • Sound Card: Direct X 9.0c- compatible sound card
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Recommended System Requirements:


  • OS: Ubuntu 22.04 x64
  • Processor: Intel® iCore™ i5-3570K or AMD® Ryzen™ 5 2400G
  • Memory: 4 GB RAM
  • Graphics: Nvidia® GeForce™ GTX 560 Ti (1GB VRAM) or AMD® Radeon™ R7 370 (2 GB VRAM)
  • Network: Broadband Internet connection
  • Storage: 12 GB available space
  • Sound Card: Direct X 9.0c- compatible sound card
  • Additional Notes: Controller support: 3-button mouse, keyboard and speakers. Special multiplayer requirements: Internet Connection

Age Ratings

PEGI 7
Violence

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Price History of Stellaris: Cosmic Storms

Even if the 40% discount may look attractive, it's important to make sure that you're getting your money’s worth. To help you shop smartly, GG.deals monitors Stellaris: Cosmic Storms price history. The graph on this page displays all price fluctuations. On top of that, GG.deals provides details about the cheapest price point in a game's history, referred to as the "historical low". The best Stellaris: Cosmic Storms PC price of all time occurred on April 9, 2026 on GameBoost. On that day, gamers could obtain the DLC for just $6.38.

Observing price trends can give insight into what kind of Stellaris: Cosmic Storms price drop to expect in the upcoming months. This is where price alerts on GG.deals can be exceptionally helpful and you can set one up by navigating to the "Create Alert" button.

Historical low prices

Historical low:
$6.38
GameBoost
Ended
2nd best:
$6.45
GameBoost
Ended
3rd best:
$6.48
GameBoost
Ended
3 months low:
$6.38
GameBoost
Ended
12 months low:
$6.38
GameBoost
Ended
all time low:
$6.38
GameBoost
Ended
Current Lowest Price:$7.79 Gog.com
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Note: We do not record price history for Amazon products.