I guess the question is if it's even possible to change a virtual environment from within the virtual environment... but you're the expert on that subject.
[ He's not convinced, either way. Everything is fake here. That makes everything difficult. ]
Who's even to say we're in a place where an SOS will be heard? Considering the advanced technology they need to keep this place running, I wouldn't be surprised if we're someplace where no one will hear us scream.