Prisoner 134. You have been purchased for testing and are now the property of BioMass Labs. Knowing nothing of the place you have been brought to, your only option is to enter the maze and solve the puzzles in the experiment. You will need to learn to navigate the complex to find your way to the various puzzles set out in the experiment and discover the reason behind the testing. The Subject is a sci-fi horror puzzle game designed to combine a mix of classic puzzle adventure games with horror elements.