The 'answer' games haven't yet been released on Steam, alas, so I'm probably going to end up at much the same point in canon as you. I think the first 'answer' game might be coming out later this month, though. I look forward to possibly getting some actual answers!

Poor Prompto. He suffers so much in fanfiction. (And, you know, in canon.) I do have an idea for how to drive Prompto into paranoia, so I could theoretically attempt this horrible, horrible idea. Hmmmm.