The Citadel — cheap CD keys, compare prices
Is it worth buying?
- Reviews are excellent. (Steam 93%)
- 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
This is a ruthless first-person shooter that pays homage to genre classics like Marathon, Doom, and Wolfenstein 3D. You descend into the depths of a dark citadel, fighting through six episodes and thirty levels packed with action, and facing six demanding bosses. Made and published by doekuramori and Top Hat Studios Inc in 2020.
Best price today
€4.87
all-time low: official €4.87 · keyshop €5.06 near low
On Steam: €12.49 — you save 61% here
The cheapest The Citadel key right now costs €4.87 at Fanatical — the best of 10 compared offers. The lowest price we have recorded for this game: €4.87.
The average low over the past 4 months was €5.01.
↳ chosen by the region label on the key — not a guarantee
Prices as of
Fanatical best price Official store
Kinguin Marketplace
G2A Marketplace
Steam Official store
Gog Official store
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
The Citadel prices by store 8
| Store | Type | Price |
|---|---|---|
| Fanatical | Official store | €4.87 |
| G2A | Marketplace | €8.79 |
| Kinguin | Marketplace | €8.90 |
| Gamivo | Marketplace | €9.08 |
| Driffle | Marketplace | €9.11 |
| K4G | Marketplace | €9.67 |
| Steam | Official store | €12.49 |
| Gog | Official store | €13.38 |
Lowest — official stores
€4.87
Oct 2026
Lowest — keyshops
€5.06
Sept 2026
Price history
last 90 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €4.87 | €6.14 |
| Sept 2026 | €5.12 | €5.06 |
| Aug 2026 | €5.05 | €7.06 |
| Jul 2026 | €5.05 | €7.06 |
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: Fanatical, G2A, Kinguin, Gamivo, Driffle, K4G, Steam
- GOG key — on GOG.com → Redeem a code (or in GOG Galaxy: Add games & friends → Redeem GOG code). Stores with this activation: Gog
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All-time low so far: €4.87
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10 64 bit | Windows 10 64 bit |
| Processor | Intel Core i-5-10210U | Intel Core i-7-7700HQ CPU @2.80GHz |
| Memory | 8 GB RAM | 8 GB RAM |
| Graphics | NVIDIA GeForce 820M 1GB VRAM | NVIDIA GeForce GTX 1060 |
| DirectX | Version 12 | Version 12 |
| Storage | 800 MB available space | 800 MB available space |
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Video reviews
14:39 The Citadel Review - Waifustein 3D
GmanLives
7:38 Citadel (2023) Prime Video Series Review | Russo Brothers
Austin Burke
8:36 The 7th Citadel review (and comparison to 7th Continent) | Review copy provided
One Stop Co-op Shop
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can The Citadel be played single-player?
Yes, The Citadel is a single-player game.
What languages does The Citadel support?
The Citadel is available in: English.
FAQ
Where is the cheapest place to buy a The Citadel key?
The cheapest The Citadel key is currently sold by Fanatical for €4.87. That is the best of 10 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €4.87.
How much does The Citadel cost?
The Citadel currently costs from €4.87 — the cheapest offer across the stores we track. For comparison, the game costs €12.49 on Steam, so buying a key saves you about 61%.
Is Fanatical an official store or a keyshop?
Fanatical 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.