You are working in Tsernobyl nuclear station, when one of nuclear reactors starts to heat up. There is an explosion and you run to a bunker. A self-destructions systems start to countdown. You have 60 minutes time to escape!!!. There are two versions of the room available: the very difficult standard version and an easier one with more clues. By default, you book a standard version, so if you prefer the more straightforward game, please mention it in the additional information field.