Buy CAT Interstellar PC Key

Looking for a cheap CAT Interstellar key? As of 22 Aug 2026 the cheapest key costs £0.26 at G2Play. We compare 10 offers from 10 stores, spanning £0.26 to £8.50. In keyshops the lowest price is £0.26, in official stores it starts at £8.50. With this many sellers the gap between the extremes is often several times over, so picking the store matters more here than waiting for a sale. This game has been cheaper before, on 88% of the days we have data for. A price alert will let you know when the next drop comes. On PC you buy a key that you activate in Steam or another client, and this is the widest market we track, with more than a quarter of games carrying a keyshop offer.

Release: 06 Oct 2017
Ionized Games
Ionized Games
Metacritic:
tbd 7.8
Steam:
Mostly Positive (688)
Buy in Official Store:
£8.50
Buy in Keyshops:
-96%
£0.26
In keyshops, it was cheaper on 88% of days with data.
See price history

Official Stores (1)

DRM:
Steam
Steam
Steam
CAT Interstellar
Windows
+2
3d ago
DRM:
Steam
Steam
£8.50

Keyshops (9)

DRM:
Steam
Steam
G2Play
CAT Interstellar Steam CD Key
Windows
+2
1d ago
DRM:
Steam
G2Play
£8.36 ~£0.26
-96%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Kinguin
CAT Interstellar Steam CD Key
Windows
+2
1d ago
DRM:
Steam
Kinguin
£8.36 ~£0.26
-96%
-8% with XD8DEALScopy
-8% with XD8DEALScopy
Gameseal
CAT Interstellar (PC) Steam Key - GLOBAL
Windows
+2
1w ago
DRM:
Steam
Gameseal
£8.50 ~£0.36
-95%
-17% with SEAL17XDDcopy
-17% with SEAL17XDDcopy
CAT Interstellar Steam Key GLOBAL
5.0
Windows
+2
21h ago
DRM:
Steam
Eneba
£8.35 ~£0.46
-94%
-10% with XDD10copy
-10% with XDD10copy
Driffle
CAT Interstellar (Global) (PC / Linux) - Steam - Digital Key
Windows
+2
1d ago
DRM:
Steam
Driffle
£0.62 ~£0.61
-1%
-6% with XDDEALS6copy
-6% with XDDEALS6copy
GameBoost
CAT Interstellar
Windows
+2
19w ago
GameBoost
£8.48 ~£0.68
-91%
G2A
CAT Interstellar Steam Key GLOBAL
Windows
+2
1d ago
DRM:
Steam
G2A
£8.50 £0.92
-89%
-8% with G2A8XDDcopy
-8% with G2A8XDDcopy

About CAT Interstellar

CAT Interstellar - about the game

CAT Interstellar is an action indie simulation adventure game developed for PC. It presents a compact sci-fi narrative centered on Mars terraforming efforts, where players step into the role of a robotic maintenance unit. The experience unfolds as a focused singleplayer story designed to be completed in roughly one hour during a single session.

Gameplay

The core loop revolves around controlling the DOG-VI drone, a newly activated maintenance bot tasked with supporting planetary engineering projects on the Martian surface. Players navigate the red planet's terrain and structures following an unexpected incident that shifts the focus toward investigation. Movement and interaction emphasize careful exploration of environments that reflect the challenges of establishing a presence on Mars, blending simulation elements with adventure-style progression through linear sequences.

Environmental details highlight the isolation and technical aspects of the setting, with the drone's perspective offering a grounded view of maintenance tasks and discovery. The game avoids complex combat systems or open-world freedom, instead prioritizing steady advancement through story beats that reveal layers of the planet's history. Controls support direct engagement with the surroundings, allowing players to uncover narrative threads at a measured pace suited to its short format.

Game Modes

The title features a single primary experience structured as a complete short story. This mode guides players through a predetermined sequence of events without branching paths or additional variants. It is built explicitly for uninterrupted play in one sitting, delivering the full narrative arc from activation to resolution in a compact timeframe.

No separate multiplayer options, competitive scenarios, or extended campaigns appear in the design. The emphasis remains on the solitary journey of the maintenance bot, with all content contained within this unified story framework that integrates action, simulation, and adventure components seamlessly.

Story and Setting

Set against the backdrop of Mars colonization efforts, the narrative follows the drone's activation and subsequent events that expose unexpected elements of the planet's past. The terraforming initiative serves as the initial context, quickly giving way to personal discovery after the incident disrupts routine operations. This structure creates a self-contained tale that explores themes of isolation, technology, and hidden history through the drone's limited yet revealing viewpoint.

Environments range from open surface areas to interior facilities, each contributing to the unfolding events without requiring external knowledge or prior installments. The story concludes within its established runtime, providing closure to the drone's immediate experiences while leaving the broader Martian context as a backdrop for reflection.

Is It Worth Playing?

This title suits players seeking a brief, self-contained singleplayer adventure with simulation and exploration focus rather than extended campaigns or multiplayer features. Its one-hour length makes it accessible for those with limited time who appreciate linear sci-fi stories involving robotic protagonists and planetary settings. The experience delivers a straightforward narrative loop centered on maintenance tasks and revelation, appealing to fans of indie titles that prioritize atmosphere and brevity over expansive systems.

Player feedback highlights its niche appeal for quick sessions, though some note technical considerations on certain hardware that can affect smoothness. Availability remains consistent on PC, with no ongoing seasonal content or major updates altering the core package. Those drawn to short-form adventures in simulated environments will find the most value here, while individuals preferring longer or more varied gameplay may look elsewhere for extended engagement.

Interface:
English
Audio:
English
Subtitles:
English

Age rating

Unavailable
Metacritic:
tbd 7.8
Steam:
Mostly Positive (688)

Minimum:

  • Processor: 2 GHz Quad-Core
  • Memory: 2 GB RAM
  • Graphics: Nvidia GTX 750
  • DirectX: Version 11
  • Storage: 5 GB available space

Recommended:

  • Processor: 2 GHz Quad-Core
  • Memory: 2 GB RAM
  • Graphics: Nividia GTX 970
  • DirectX: Version 11
  • Storage: 5 GB available space
  • Additional Notes: Recommended for 60 FPS

Minimum:

  • OS: Ubuntu 16.10
  • Processor: 2 GHz Quad-Core
  • Memory: 2 GB RAM
  • Graphics: Nvidia GTX 750
  • Storage: 7 GB available space

Recommended:

  • OS: Ubuntu 16.10
  • Processor: 2 GHz Quad-Core
  • Memory: 2 GB RAM
  • Graphics: Nvidia GTX 970
  • Storage: 7 GB available space
Historical low
Price history from official stores
£0.68
Steam
1 months ago
Price history from keyshops
£0.22
Gameseal
1 months ago

FAQ

9 questions

Before you start looking for a cheap CAT Interstellar PC key, check the essentials. Developed by Ionized Games. Published by Ionized Games. PC released date: 06 Oct 2017. Genres: Action, Indie, Simulation, Adventure. Categories: Family Sharing, Steam Trading Cards, Single-player, Steam Achievements, Full controller support, VR Support.

Q

Where to buy a cheap CAT Interstellar Steam key or CD key?

Using our price comparison and verified discount codes, you can buy a CAT Interstellar key for as low as £0.26. This deal is available at G2Play 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 CAT Interstellar price on PC. Check the CAT Interstellar price history to buy at the best moment.

As of our last update (we refresh Steam pricing multiple times a day), the CAT Interstellar Steam price is £8.50. 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 CAT Interstellar on sale even outside seasonal promotions. We currently detect 10 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, CAT Interstellar is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

The spread between offers was wide: from £0.22 to £8.50. The current price is high against its own history: it was cheaper on 88% of days with data. We have recorded offers from 10 stores in total, and from 1 in the most recent reading. The cheapest offer came most often from Kinguin: 43 of 137 days with data.

Yes. CAT Interstellar has an official page on the Steam Store. You can also buy a CAT Interstellar Steam key from third-party sellers. Our price comparison currently includes 9 offers with Steam DRM. Pick one to ensure your CAT Interstellar download happens on Valve's platform.

Yes, with minor tweaks. CAT Interstellar 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 CAT Interstellar on Steam Deck.

According to our data CAT Interstellar is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best CAT Interstellar 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 CAT Interstellar

1 G2Play G2Play Keyshop
-96% £0.26
2 Kinguin Kinguin Keyshop
-96% £0.26
3 Gameseal Gameseal Keyshop
-95% £0.36
4 Eneba Eneba Keyshop
-94% £0.46
5 Driffle Driffle Keyshop
-1% £0.61

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