Astro Busters — cheap CD keys, compare prices
Is it worth buying?
- 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
Astro Busters puts its own spin on classic asteroid-shooting arcade games, offering realistic physics and responsive controls in a space combat setting. Players complete missions, upgrade their weapons and ships, and can play either alone or with others online. Developed by Michael Prymus and Piotr Przybył and published by Astrobuster Studios, the game is currently in early access, having launched in 2025.
Best price today
€2.43
all-time low: official €2.43 · keyshop €3.16 near low
The cheapest Astro Busters key right now costs €2.43 at Steam — the best of 3 compared offers. The lowest price we have recorded for this game: €2.43.
The average low over the past 4 months was €3.04.
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.
Astro Busters prices by store 3
| Store | Type | Price |
|---|---|---|
| Steam | Official store | €2.43 |
| Kinguin | Marketplace | €3.16 |
| Driffle | Marketplace | €3.33 |
Lowest — official stores
€2.43
Oct 2026
Lowest — keyshops
€3.16
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €2.43 | €3.16 |
| Sept 2026 | €9.75 | €3.16 |
| Aug 2026 | €9.75 | €3.16 |
| Jul 2026 | €5.85 | €3.42 |
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, Driffle
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All-time low so far: €2.43
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 or later | Windows 10 or later |
| Processor | 1.0 Ghz CPU | 2.0 Ghz CPU |
| Memory | 2 GB RAM | 4 GB RAM |
| Graphics | Integrated graphics card | GeForce GTX |
| DirectX | Version 7.0 | Version 10 |
| Storage | 200 MB available space | 500 MB available space |
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About this game — FAQ
Does Astro Busters have co-op?
Yes, Astro Busters supports online co-op.
Does Astro Busters have multiplayer?
Yes, Astro Busters has multiplayer. It supports PvP.
Does Astro Busters support crossplay?
Yes, Astro Busters supports cross-platform multiplayer.
Can Astro Busters be played single-player?
Yes, besides multiplayer modes, Astro Busters can also be played solo (single-player).
What languages does Astro Busters support?
Astro Busters is available in: English, French, Italian, Spanish - Spain, Japanese, Korean, Polish, Simplified Chinese and 1 more.
FAQ
Where is the cheapest place to buy a Astro Busters key?
The cheapest Astro Busters key is currently sold by Steam for €2.43. That is the best of 3 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €2.43.
How much does Astro Busters cost?
Astro Busters currently costs from €2.43 — 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.