Old School FOTD

The protagonist wakes up in the bunker some time after the apocalypse. He needs to find a way out of this shelter, all rooms are locked and we have to look for a way out... But what happens. Hallucinations or around really strange creatures, not like us? Maybe the apocalypse was not there at all? Immerse yourself in the mysterious world of this incredible shooter with elements of horror and solve the terrible secret of the main character.