https://store.steampowered.com/app/253920/Gorky_17/
November 2008. NATO intelligence services report that, for reasons unknown, the Russian military has destroyed GORKY 17, one of the old Soviet "Secret Cities". A year later NATO takes over a former Russian secret base built on Polish soil. Diggers discover a laboratory complex in the completely demolished town.

The key has no territorial restrictions - REGION FREE and is suitable for activation in any country.