Flats Full of Cats: Stars & Oysters — cheap CD keys, compare prices
Is it worth buying?
The price is above its low (was €1.59), but within a reasonable range Notify me on a drop
About the game
Stars & Oysters is an expansion for Flats Full of Cats with a food-and-space theme. The player visits the homes of a cook, a fisherman and an astronaut, and in each one a new group of inquisitive cats is tucked in among daily-life objects. Devcats developed and published it, and it was released in 2026.
Best price today
€1.99
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €1.79
- On Steam
- €1.99
- lowest in tracked period
- €1.5919 Sept
- Average low, 3 mo.
- €1.66
The cheapest Flats Full of Cats: Stars & Oysters key right now costs €1.99 at Steam. (Prices as of )
Offers 1 · PC · from €1.99
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Aug 2026)
€1.59
Sept 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €1.59 | — |
| Sept 2026 | €1.59 | — |
| Aug 2026 | €1.79 | — |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Steam
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About this game — FAQ
Can Flats Full of Cats: Stars & Oysters be played single-player?
Yes, Flats Full of Cats: Stars & Oysters is a single-player game.
What languages does Flats Full of Cats: Stars & Oysters support?
Flats Full of Cats: Stars & Oysters is available in: English, French, Italian, German, Spanish - Spain, Japanese, Portuguese - Brazil, Simplified Chinese and 1 more.
FAQ
Where is the cheapest place to buy a Flats Full of Cats: Stars & Oysters key?
The cheapest Flats Full of Cats: Stars & Oysters key is currently sold by Steam for €1.99. The lowest price we have ever recorded for this game: €1.59.
How much does Flats Full of Cats: Stars & Oysters cost?
Flats Full of Cats: Stars & Oysters currently costs from €1.99 — the cheapest offer across the stores we track.
Is Steam an official store or a keyshop?
Steam is an official store — keys come directly from the publisher or an authorized distributor.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.