You come across an odd looking contraption. It looks strangely familiar for some reason, like you’ve seen a picture of it somewhere online before.

It consists of a raised steel platform, some kind of metal arch above it, a reinforced two-layer wall in the back, and an emitter. The components are able to move around along a series of rails.

Some part of your brain wants to try stepping onto its platform to see what happens, but you’re not quite sure if that’s the best idea…