What is SSTR PC?

SSTR is an escape-room style puzzle game set aboard Horizon, a colony ship adrift in the darkness under the watchful eye of Sister. Awaken into madness and explore the horrors of Horizon’s past. This page focuses specifically on the PC (Windows) version of the game, including prices, regions, activation methods and compatible storefronts.

How can I find the best price for SSTR PC?

We track live prices for SSTR PC from official retailers and trusted third-party marketplaces. Use the country, platform and service filters below to compare offers side by side and quickly spot the cheapest key that works in your region.

How do I redeem a SSTR PC game key?

After you buy a SSTR PC game key, you'll receive a secure digital code (often called a CD key or activation key). Redeem it through the correct platform client — for example Steam, PlayStation, Xbox or another supported launcher — and the game will be added to your library for download. Always double-check platform and region compatibility before you purchase to avoid activation issues.

About SSTR PC

SSTR is an escape-room style puzzle game set aboard Horizon, a colony ship adrift in the darkness under the watchful eye of Sister. Awaken into madness and explore the horrors of Horizon’s past.