Reanimal may seem to be all about the jump scares and creepy imagery--and it largely is--but it also features a handful of fun secrets that can earn you in-game collectibles, as well as get you closer to obtaining 100% completion. In the case of the "Secret Bunker" trophy or achievement, you'll need to round up a secret code and input it into a machine somewhere on your adventure. But since the secret code is potentially the most easily overlooked thing in the entire game, we'll fill you in...