Calyx — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 88%)
- 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
Calyx puts players at the helm of a mining post out in space, pitted against a menacing breed of plant-based aliens. The task is to construct a base, gather resources, and build up forces capable of pushing back the threat, with only an outdated AI system for company. Studio 568 both develops and publishes the early-access title, available from 2026.
Did you know?
It has an 88% positive rating on Steam from 468 reviews.
Best price today
€19.99
all-time low: official €19.99 · keyshop €20.44 near low
The cheapest Calyx key right now costs €19.99 at Steam. The lowest price we have recorded for this game: €19.99.
The average low over the past 4 months was €19.99.
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.
Lowest — official stores
€19.99
Jul 2026
Lowest — keyshops
€20.54
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €19.99 | — |
| Sept 2026 | €19.99 | €22.32 |
| Aug 2026 | €19.99 | €22.42 |
| Jul 2026 | €19.99 | €20.44 |
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
Price alert Catch alert Price alert
Confirm in our Telegram bot — no account, no spam.
All-time low so far: €19.99
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 | Windows 10 |
| Processor | Intel Core i5-3570 or AMD FX-8350 | Intel Core i5-10400 or AMD Ryzen 5 3600 |
| Memory | 8 GB RAM | 12 GB RAM |
| Graphics | NVIDIA GeForce GTX 1050 Ti, 4 GB or AMD Radeon R9 380X, 4 GB | NVIDIA GeForce GTX 1660 Super, 6 GB or AMD Radeon RX 5600 XT, 6 GB |
| DirectX | Version 11 | Version 11 |
| Storage | 4 GB available space | 4 GB available space |
Similar games
About this game — FAQ
Can Calyx be played single-player?
Yes, Calyx is a single-player game.
What languages does Calyx support?
Calyx is available in: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Portuguese - Brazil and 2 more.
Does Calyx use Steam Cloud saves?
Yes, Calyx uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Calyx key?
The cheapest Calyx key is currently sold by Steam for €19.99. The lowest price we have ever recorded for this game: €19.99.
How much does Calyx cost?
Calyx currently costs from €19.99 — 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.