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CAT Interstellar
A short story inspired by Robert Heinlein's:The Moon Is a Harsh Mistress
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27 · quoted reviews as of 2026-10-16.
“I bought CAT Interstellar in the hope that my 4.5 year old grand son would enjoy the story, like the graphics, and be able to handle the controls. He likes Machinarium and we play through that game over and over. By playing other games, he has developed the ability to accurately…”
— a player, Steam review · 11 hrs played“A good buy at $4, and I was surprised to see it on on the Summer Sale... for a mere $0.99, it's worth getting to see if you are at all curious. I'll try to avoid spoilers. As the description says, this game takes place on Mars and involves work to get it terraformed.…”
— a player, Steam review · 1 hrs played“Never played a game that was so breathtakingly disappointing. It's NOT a short story, it's a short introduction to a story. Right when you feel the actual storyline starts, the game kindly tells you "THE END" and "Thanks for playing". It just feels like a random mix of…”
— a player, Steam review · 1 hrs playedPlayer activity
Monthly average concurrent players, self-collected from the Steam API since Aug 2026.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-10-23.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-25. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-10-23). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Update on Ziggy - Chief Financial Officer
It is with great sadness I need to inform this community that Ziggy, Chief Financial Officer of Ionized Games, passed away over the weekend. Unfortunately he had a steady decline in health since his d
Spooky Halloween Event
This is totally random but, if you want to try something totally different check out our new game The Backrooms https://store.steampowered.com/app/1825160/The_Backrooms/ This wasn't exactly planned bu
Android Awakening
This patch focuses on bringing some of the effects and systems like footprints, trails, volumetric effects and lighting, and IK kinematics used in CAT Interstellar: Episode II https://store.steampower
CAT Update 6.1.0
This is the first major content update in a while. I've been primarily focusing on CAT Interstellar: Episode II but development has taken a little longer than I expected so I thought I would push some
CAT Interstellar: Recast Release
https://store.steampowered.com/app/1684710/CAT_Interstellar_Recast/ Purpose So, CAT Interstellar: Recast was an effort to explore and learn all the new features in Unreal Engine 5 in the hope of using
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-12.
| Genres | Action, Adventure, Indie, Simulation |
| Player tags | Cats · Adventure · Cyberpunk · Atmospheric · Cute · Third Person · Exploration · Robots · Singleplayer · Sci-fi · Horror · Indie (SteamSpy community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · VR Support · Family Sharing |
| Languages | English * * |
| Controller | Full support |
| Achievements | 18 |
| Official site | http://www.IonizedGames.com |
Minimum system requirements (PC)
Minimum: OS *: Windows 7, 8.1, 10 (64-bit) Processor: 2 GHz Quad-Core Memory: 2 GB RAM Graphics: Nvidia GTX 750 DirectX: Version 11 Storage: 5 GB available space