The Callisto Protocol™ — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Steam 65%)
- The price is above its low (was €5.48), but within a reasonable range. Notify me on a drop →
Estimate based on public reviews (Metacritic/Steam) and price history — the final call is yours.
About the game
A sci-fi survival horror set in a maximum-security prison on Jupiter's dead moon Callisto, where you fight to escape monstrous horrors and uncover the facility's dark secrets. Brutal melee-focused combat, claustrophobic dread, and tense resource management drive the experience.
Did you know?
The game was led by Glen Schofield, creator of the original Dead Space, and Striking Distance Studios was founded specifically to craft a spiritual successor to that franchise.
Best price today
€6.24
lowest in tracked period: official €58.99 · keyshop €5.48 (+14%)
On Steam: €58.99 — you save 89% here
The cheapest The Callisto Protocol™ key right now costs €6.24 at GameSeal — the best of 22 compared offers. The lowest price we have recorded for this game: €5.48. The cheapest official store price is €58.99 at Steam.
The average low over the past 5 months was €16.44.
Key activates only in this region — make sure it matches.
↳ chosen by the region label on the key — not a guarantee
Prices as of
GameSeal best price Marketplace
GameSeal Marketplace
GameSeal Marketplace
Kinguin Marketplace
Driffle Marketplace
Driffle Marketplace
K4G Marketplace
K4G Marketplace
G2A Marketplace
G2A Marketplace
Kinguin Marketplace
Kinguin Marketplace
Gamivo Marketplace
Driffle Marketplace
Steam Official store
Gamivo Marketplace
Gamivo Marketplace
GameSeal Marketplace
Gamivo Marketplace
K4G Marketplace
Gamivo Marketplace
Gamivo Marketplace
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
The Callisto Protocol™ prices by store 8
| Store | Type | Price |
|---|---|---|
| Gamivo | Marketplace | €4.73 |
| GameSeal | Marketplace | €5.63 |
| Kinguin | Marketplace | €6.47 |
| K4G | Marketplace | €6.47 |
| Driffle | Marketplace | €6.54 |
| Instant Gaming | Marketplace | €7.29 |
| G2A | Marketplace | €8.63 |
| Steam | Official store | €58.99 |
Lowest — official stores
€58.99
Jul 2026
Lowest — keyshops
€5.48
Sept 2026
Price history
last 88 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €58.99 | €5.48 |
| Sept 2026 | €58.99 | €5.48 |
| Aug 2026 | €58.99 | €6.23 |
| Jul 2026 | €58.99 | €6.03 |
| Jun 2026 | €58.99 | — |
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: GameSeal, Gamivo, Kinguin, K4G, Driffle, Instant Gaming, G2A, Steam
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Confirm in our Telegram bot — no account, no spam.
All-time low so far: €5.48
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Windows 10/11 | Windows 10/11 |
| Processor | Intel® Core™ i5-8400 or AMD Ryzen™ 5 2600 | Intel® Core™ i7-8700 or AMD Ryzen™ 5 3600 |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | NVIDIA® GeForce® GTX 1060 or AMD Radeon™ RX 580 | NVIDIA® GeForce® GTX 1070 or AMD Radeon™ RX 5700 |
| DirectX | Version 11 | Version 12 |
| Storage | 75 GB available space | 75 GB available space |
Similar games
Video reviews
40:58 The Callisto Protocol - Angry Review
AngryJoeShow
18:26 The Callisto Protocol - Review After 100%
Mortismal Gaming
41:22 The Callisto Protocol Review
MandaloreGaming
Reviews are made and published by independent YouTube channels; they load only on click.
About this game — FAQ
Can The Callisto Protocol™ be played single-player?
Yes, The Callisto Protocol™ is a single-player game.
Does The Callisto Protocol™ support a controller/gamepad?
Yes, The Callisto Protocol™ has full controller support.
What languages does The Callisto Protocol™ support?
The Callisto Protocol™ is available in: English, French, Italian, German, Spanish - Spain, Japanese, Korean, Polish and 4 more.
Does The Callisto Protocol™ use Steam Cloud saves?
Yes, The Callisto Protocol™ uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a The Callisto Protocol™ key?
The cheapest The Callisto Protocol™ key is currently sold by GameSeal for €6.24. That is the best of 22 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €5.48.
How much does The Callisto Protocol™ cost?
The Callisto Protocol™ currently costs from €6.24 — the cheapest offer across the stores we track. For comparison, the game costs €58.99 on Steam, so buying a key saves you about 89%.
Is GameSeal an official store or a keyshop?
GameSeal is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
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.