Californium — cheap CD keys, compare prices
Is it worth buying?
- Reviews are mixed. (Metacritic 64 · Steam 70%)
- 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
Californium unfolds as a first-person journey through a disorienting, hallucinatory state, offering a tribute to science-fiction author Philip K. Dick by casting players as a writer trying to rediscover who he really is. Players explore the environment, work through puzzles, and piece together an investigation into what lies beneath the simulated reality around them. Darjeeling, Nova Production, and ARTE France developed the game, ARTE France published it, and it came out in 2016.
Did you know?
It holds a Metacritic score of 64, and on Steam it has 70% positive reviews out of 412, rated Mostly Positive.
Best price today
€0.31
all-time low: official €0.50 · keyshop €0.31 near low
On Steam: €0.77 — you save 60% here
The cheapest Californium key right now costs €0.31 at Kinguin — the best of 12 compared offers. The lowest price we have recorded for this game: €0.31. The cheapest official store price is €0.53 at Fanatical.
The average low over the past 4 months was €0.41.
↳ chosen by the region label on the key — not a guarantee
Prices as of
GameSeal Marketplace
GameSeal Marketplace
Fanatical Official store
Kinguin 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.
Californium prices by store 10
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €0.31 |
| K4G | Marketplace | €0.41 |
| GameSeal | Marketplace | €0.50 |
| Fanatical | Official store | €0.53 |
| Gamivo | Marketplace | €0.65 |
| Steam | Official store | €0.77 |
| Instant Gaming | Marketplace | €1.00 |
| G2A | Marketplace | €1.19 |
| Loaded | Marketplace | €4.69 |
| Gog | Official store | €8.92 |
Lowest — official stores
€0.50
Aug 2026
Lowest — keyshops
€0.31
Sept 2026
Price history
last 89 daysMonthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €0.53 | €0.31 |
| Sept 2026 | €0.53 | €0.31 |
| Aug 2026 | €0.50 | €0.64 |
| Jul 2026 | €0.53 | €0.63 |
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: Kinguin, K4G, GameSeal, Fanatical, Gamivo, Steam, Instant Gaming, G2A, Loaded
- 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: €0.31
System requirements
| Minimum | |
|---|---|
| OS | Windows 7 or Higher |
| Processor | Intel Core i3 2.00 GHz |
| Memory | 4 GB RAM |
| Graphics | DX9 (shader model 2.0) |
| Storage | 2 GB available space |
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About this game — FAQ
Can Californium be played single-player?
Yes, Californium is a single-player game.
What languages does Californium support?
Californium is available in: English, French, German.
FAQ
Where is the cheapest place to buy a Californium key?
The cheapest Californium key is currently sold by Kinguin for €0.31. That is the best of 12 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €0.31.
How much does Californium cost?
Californium currently costs from €0.31 — the cheapest offer across the stores we track. For comparison, the game costs €0.77 on Steam, so buying a key saves you about 60%.
Is Kinguin an official store or a keyshop?
Kinguin 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.