You are just an urban explorer living in the St. Petersburg, Russia. In the city with deepest subway system in the world. You was always interested about the Metro system, the only thing that you was interested more was... The another subway system, also known as D-7. Nobody knew about D-7. But you was the one who has found a tunnel that connects two metro systems. The only thing you haven't found is the fact that you are not just a subway explorer anymore... After being caught in the secret tunnel, you waking up in the room. The point of no return is passed, the only thing behind is a battle. Not for you life, not even for you planet. It is a battle to defeat Vladimir Garyugin - The Master of the whole Underground. It is a Battle Of the Universe.
