Haunted House II Poltergeist

What price are you willing to pay for your own curiosity? 40 years ago, top-secret research facility in Czechoslovakia has been launched in order to do a highly controversial experiment. Needless to say, things went wrong fast. The whole Facility has been panically buried underground with everyone still inside. This year, a forgotten secret entrance has been found. But as with the experiment itself, there are doors that should have remained closed...