The war persisted for 20 more years only to end in flames when the Nazis launched nuclear missiles on most of Europe. In the aftermath, the heart of Europe remains shrouded in the mystery of complete destruction and deadly radiation, inaccessible to the rest of the world.
You play as Szymon, a 12-year-old boy who’s just discovered a massive Nazi bunker while wandering the barren, nuclear wasteland of Poland after his mother’s death. He’s searching for an unknown man from a photograph his mother cherished. Who is he? Will you be able to find him?
Descend into the retro futuristic bunker where advanced, industrial technology is intertwined with mysterious, Slavic pagan imagery and explore the underground city hidden within. Uncover the story of the bunker, from its takeover by Polish rebels to the ultimate fate of its inhabitants. What happened to them?
Despite the desolation of the bunker, a mysterious girl named Ewa contacts Szymon through the bunker’s technology. If he can only find her, she might know the man in the picture. If he can find her, he finally won’t be alone…
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-04-21
From Wishlist to Courtroom: The Steam Lawsuits Explained
There have been numerous Steam court case lawsuits throughout the years and ever since the start of the year they have made the pile even bigger! We decided to check out some of the latest accusations against the popular gaming platform as well as go through some of the previous cases that caused a stir of Valve legal issues in the past! Gabe Newell and Valve have definitely not been strangers to the court system…
As you probably know, in a huge variety of game titles there are usually a lot of mainline task objectives, but very often there are multiple side quests that would advance you further in the gameplay. This is exactly why we decided to run a Side Quest promotion on our YUPLAY site. In order to participate in it you have to make an order over 20€ between 17.04.2026 18:10 CET and 20.04.2026 02:00 CET, and you will get a 1€ voucher for next purchase…
