A Causal Loop Steam Key — also known as a CD Key or digital code — is the official activation code you redeem on Steam and keep in your library permanently. From €8.39 (-58%) at Difmark, Steam Account format · Cheapest official key: €13.70, 31% below the €19.99 Steam price · 7 verified stores, 7 offers in stock · Updated 06h 58min ago.
Exo-archaeologist Bale arrives on Tor Ulsat with his colleague Jen, an exo-linguist, to study the ruins of the lost Tor civilisation. But when he unwittingly activates the Chronolith - an ancient alien device - reality shatters. Jen vanishes, and Bale is trapped in a fractured world where time loops and echoes of the past and future bleed together.
With no way to contact mission control, Bale must navigate countless obstacles, unravel the fate of the Tor, and outwit the cryptic and mysterious forces that oppose him. As reality unravels and truth remains buried in the ruins, Bale's only hope is to solve the mystery of the Tor - before he's lost to the loop forever.
Record, re-record, and replay. Use the signature 'Echo Branching' mechanic to record your actions and engage with up to three echoes of your past self. Harness these duplicates to skillfully learn to manipulate ancient alien systems that once seemed impossible to navigate.
Explore beautiful environments through fifteen hand-crafted chapters filled with secrets that will allow you to unravel the mystery of this alien planet.
Explore a mysterious alien planet through the lens of an emotional and thought-provoking story, with the puzzles always supporting the momentum of the underlying narrative.
Every character is fully voiced by a fantastic cast.
In addition, we have placed a major focus on accessibility to ensure that all players are able to enjoy Causal Loop. The game includes accessibility options such as motion sickness prevention, colour blindness mode, control mapping, and many more.
Causal Loop for PC starts at €8.39 at Difmark, 58% under the €19.99 of the official store — but that is a shared account, not a key of your own. If you want a key tied to your own account, the cheapest is €13.70 at YUPLAY.
That €8.39 already includes the Gocdkeys coupon, so apply it at checkout or the store will show you a higher price.
Supply is thin — 7 offers from 7 stores — and thin supply keeps prices steady rather than falling.
It is €0.20 away from its lowest recent price (€8.19, in May 2026).
That €13.70 key is expensive for what it usually costs.
Worked out from 644 daily records of the Steam Key for Causal Loop across 6 stores. See the full price history.
The price does not include each store's payment fees. The percentage is measured on the store price, without coupons, because that is how we record the history. The analysis only counts Key offers. Shared accounts, Steam Gift and physical editions stay out, because they are not the same product and their prices move differently.
With the shared account at Difmark you log into an account that already owns the game: it is the cheapest route, but it never becomes yours and the seller keeps the credentials. If they ever lose or change them, you lose access.
The key at YUPLAY costs €5.31 more, but you redeem it on your own account and the game stays there for good. That is the difference between renting and buying.
All 7 offers are Global, so the code redeems on any account no matter where it was created.
Causality takes the tried and true time mechanic many puzzle games use, and gives it a lot of depth. By pacing the introduction of new... Read more
* languages with full audio
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