Californium
All offers (13)
Compare the platform, region and delivery before you buy.
Standard Edition 13 offers · EU & Global
Californium Steam CD KeyActivation keySteamGlobalLowest price€0.31+ payment feeView deal
Californium EN/DE/FR GlobalActivation keySteamGlobal€0.52+ service feeView deal
Californium (PC) Steam Key - GLOBALActivation keySteamGlobal€0.57+ service feeView deal- Californium (PC) Steam Key - EUActivation keySteamEurope€0.57+ service feeView deal
Californium Steam Key GLOBALActivation keySteamGlobal€0.57+ fee possibleView deal- Californium EU Steam CD KeyActivation keySteamEurope€0.77+ payment feeView deal
- Californium Steam Key EUROPEActivation keySteamEurope€0.98+ fee possibleView deal
Californium (PC) - Steam Key - GLOBALActivation keySteamGlobal€1.19+ service feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermanyView on Steam€5.99€0.77No fee
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €0.3111 Oct 2026
- Highest €0.3111 Oct 2026
- Today €0.31
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Californium key: current price comparison
Where is the Californium key cheapest?
The cheapest Californium key that activates in the EU currently costs €0.31 at Kinguin. Keyfinder compares 13 offers from 8 shops for this price. That is 60% less than the Steam price of €0.77. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Californium key price in the last 32 days?
€0.31 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €0.31 on 11 Oct 2026; today the cheapest key costs €0.31.
Which Californium keys activate in the EU?
13 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.
How do I activate the Californium key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Californium key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
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About Californium
Taking the form of a first-person experience of a bad trip, Californium pays homage to sci-fi legend Philip K. Dick by transporting you into the life of a writer searching for his own identity. Explore, solve the riddles and conduct your investigation. Will you find what’s behind the simulacra ?
- Developer
- Darjeeling
- Publisher
- ARTE France
- Release date
- 17 Feb 2016
- Steam
- View on Steam