Hrot

Hrot is a single-player retro FPS set in Czechoslovakia, a small socialist country neighboring the Soviet Union, after an unspecified disaster in 1986. The era was dark and terrifying, and so is the game.

You begin in a civil defense shelter deep beneath a Prague Metro station. As a proud holder of the military readiness badge, you know your duty: put on a non-functioning gas mask, load the vz. 52 pistol, and protect the peace and your socialist homeland from strange intruders.