Catastronauts — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Steam 72%)
- The price is at or near its all-time low — a good time to buy.
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
Catastronauts is a chaotic action game where you scramble to keep your spaceship together long enough to destroy the enemy invaders. While repairing systems, putting out fires, arming torpedoes, and dodging deadly solar flares, there is still room to blow up your friends and clone them back again. It was developed and published by Inertia Game Studios.
Best price today
€2.65
all-time low: official €2.65 · keyshop €13.70 near low
The cheapest Catastronauts key right now costs €2.65 at Steam — the best of 2 compared offers. The lowest price we have recorded for this game: €2.65.
The average low over the past 5 months was €11.16.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Steam best price Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Catastronauts prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.65 |
| Kinguin | Marketplace | €13.70 |
| Driffle | Marketplace | €20.67 |
Lowest — official stores
€2.65
Oct 2026
Lowest — keyshops
€13.70
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.65 | €13.70 |
| Sept 2026 | €13.29 | €13.70 |
| Aug 2026 | €13.29 | €13.70 |
| Jul 2026 | €13.29 | €14.94 |
| Jun 2026 | €13.29 | — |
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, Kinguin
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All-time low so far: €2.65
System requirements
| Minimum | |
|---|---|
| OS | Windows XP or later |
| Processor | Intel Core2 Duo E6750 | AMD Athlon 64 X2 Dual Core or equivalent |
| Memory | 2 GB RAM |
| Graphics | GeForce GT 740 | Radeon HD 5770 or equivalent |
| Storage | 1 GB available space |
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About this game — FAQ
Does Catastronauts have co-op?
Yes, Catastronauts supports local (split-screen) co-op.
Does Catastronauts have multiplayer?
Yes, Catastronauts has multiplayer.
Can Catastronauts be played single-player?
Yes, besides multiplayer modes, Catastronauts can also be played solo (single-player).
Does Catastronauts support a controller/gamepad?
Yes, Catastronauts has full controller support.
What languages does Catastronauts support?
Catastronauts is available in: English, French, Italian, German, Spanish - Spain.
Can Catastronauts be played co-op via Remote Play Together?
Yes — Steam Remote Play Together lets you invite friends to play local modes online without them owning the game.
Does Catastronauts use Steam Cloud saves?
Yes, Catastronauts uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Catastronauts key?
The cheapest Catastronauts key is currently sold by Steam for €2.65. That is the best of 2 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.65.
How much does Catastronauts cost?
Catastronauts currently costs from €2.65 — 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.