憶外 — cheap CD keys, compare prices
Is it worth buying?
The price is at or near the lowest we've tracked — a good time to buy
Buy · Steam €2.45
About the game
憶外 (奈貓) — Adventure, Indie. On this page we track CD key prices across editions, regions and activation platforms from trusted sellers, with price history and a DLC overview.
Best price today
€2.45
· · check “Region” on the seller’s page
Steam · Official store · Steam
Global key · check “Region” on the seller’s page
You pay Steam directly · same price as on their site
Notify me when it drops below €2.21
- On Steam
- €2.45
- lowest in tracked period
- €2.459 Nov
The cheapest 憶外 key right now costs €2.45 at Steam. (Prices as of )
Offers 1 · PC · from €2.45
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
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Lowest official since we started tracking (Nov 2026)
€2.45
Nov 2026
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
System requirements
| Minimum | |
|---|---|
| OS | Windows 10 / 11（64-bit） |
| Processor | Intel Core i3-6100 或同等級處理器 |
| Memory | 4 GB RAM |
| Graphics | Intel HD Graphics 530 或同等級顯示卡 |
| Storage | 1 GB available space |
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About this game — FAQ
Can 憶外 be played single-player?
Yes, 憶外 is a single-player game.
What languages does 憶外 support?
憶外 is available in: Traditional Chinese.
Does 憶外 use Steam Cloud saves?
Yes, 憶外 uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a 憶外 key?
The cheapest 憶外 key is currently sold by Steam for €2.45. The lowest price we have ever recorded for this game: €2.45.
How much does 憶外 cost?
憶外 currently costs from €2.45 — 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.