Craven's Machine

You are a vampire who has stumbled across a long-abandoned ghost research facility, now inhabited only by ghosts. One of these ghosts convinces you to collect the souls gathered throughout the facility, but in the process, you find yourself in the middle of a conflict between him and the other ghosts. 

Are you doing the right thing? Can you avoid the dangerous poltergeists roaming the halls? What does Craven's mysterious machine really do? Enter the facility to sate your curiosity.