OK. So this is an amazing game, and its reasoning on avoiding arguments to its credibility is quite sound. But I have one question: Can Future Todd show himself only to his past(or possibly future) self, and not, can he influence his appearance to others?
(nasa finally sends a spaceship to the center of the galaxy in an effort to observe black holes) astronaut 1: WHAT IS THAT HIDEOUS PURPLE THING?! astronaut 2: *faint* astronaut 3: uhhh... houston, we have a problem... (the spaceship turns around and flies back to earth, but what they didn't realize was that they had a stowaway... a small, green stowaway...)