Halcyon Days — 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
Halcyon Days is an action-adventure with RPG elements in which the hero Teflon, while exploring ancient ruins, accidentally frees a mysterious woman and her guardian from cryosleep. When it turns out they come from a lost civilization that shaped today's world, a tale of treasure, betrayal and friendship begins. The game is developed by Rock And Roll Gas Station Games.
Best price today
€15.79
all-time low: official €15.79 near low
The cheapest Halcyon Days key right now costs €15.79 at Steam. The lowest price we have recorded for this game: €15.79.
The average low over the past 5 months was €15.79.
Prices as of
Steam best price Official store
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Listed seller price shown — payment fees may vary by method.
Lowest — official stores
€15.79
Jul 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €15.79 | — |
| Sept 2026 | €15.79 | — |
| Aug 2026 | €15.79 | — |
| Jul 2026 | €15.79 | — |
| Jun 2026 | €15.79 | — |
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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All-time low so far: €15.79
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 7 SP1 64 Bit | Win 10 64 Bit |
| Processor | Intel Core i5-2400 or AMD Phenom II X6 1100T | Intel Core i5-3470 or AMD Ryzen 3 1200 |
| Memory | 4 GB RAM | 8 GB RAM |
| Graphics | GeForce GTX 750 Ti or Radeon HD 7950 | GeForce GTX 960 or Radeon R9 280X |
| DirectX | Version 11 | Version 11 |
| Storage | 10 GB available space | 10 GB available space |
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About this game — FAQ
Can Halcyon Days be played single-player?
Yes, Halcyon Days is a single-player game.
Does Halcyon Days support a controller/gamepad?
Yes, Halcyon Days has full controller support.
What languages does Halcyon Days support?
Halcyon Days is available in: English.
FAQ
Where is the cheapest place to buy a Halcyon Days key?
The cheapest Halcyon Days key is currently sold by Steam for €15.79. The lowest price we have ever recorded for this game: €15.79.
How much does Halcyon Days cost?
Halcyon Days currently costs from €15.79 — 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.