Assembly is a first-person adventure game that supports HTC Vive, Oculus Rift and PlayStation VR virtual reality devices. You are about to witness the secret organization "The Assembly", which seeks to lead humanity to progress. But she does this through numerous experiments on people in a secret laboratory that is located deep underground. You have to play for two main characters: Madilyn Stone — a test subject, and Cal Pearson — a scientific laboratory employee. All the events in the story are similar, but only occur from different points of view.