Lunar Mirror — cheap CD keys, compare prices
Is it worth buying?
- Reviews are solid. (Steam 79%)
- 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
Lunar Mirror is a horror puzzle game set in a research institute steeped in Cthulhu-themed mystery. Players follow Nishimura Qiren as he investigates the strange disappearance of his girlfriend on campus, only to uncover a chain of increasingly unsettling events. Developed by DSGame, it blends suspense with decryption mechanics in an Early Access release.
Did you know?
Lunar Mirror is self-published by its developer DSGame, making it a fully independent Early Access title.
Best price today
€3.99
all-time low: official €3.99 near low
The cheapest Lunar Mirror key right now costs €3.99 at Steam. The lowest price we have recorded for this game: €3.99.
The average low over the past 5 months was €4.09.
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
€3.99
Aug 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.99 | — |
| Sept 2026 | €3.99 | — |
| Aug 2026 | €3.99 | — |
| Jul 2026 | €4.25 | — |
| Jun 2026 | €4.25 | — |
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: €3.99
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows7/8/10 | Windows10 |
| Processor | Intel Corei5 | Intel Core i7 |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | NVIDIA GTX 1060 | NVIDIA GTX 2060 |
| Storage | 6 GB available space | 10 GB available space |
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About this game — FAQ
Can Lunar Mirror be played single-player?
Yes, Lunar Mirror is a single-player game.
What languages does Lunar Mirror support?
Lunar Mirror is available in: Simplified Chinese.
FAQ
Where is the cheapest place to buy a Lunar Mirror key?
The cheapest Lunar Mirror key is currently sold by Steam for €3.99. The lowest price we have ever recorded for this game: €3.99.
How much does Lunar Mirror cost?
Lunar Mirror currently costs from €3.99 — 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.