The first time I played through the game I found a fun, interesting, tightly woven adventure story with humor, action, drama and rising stakes... very enjoyable.
But interestingly, I didn't have to resolve every single thing to get through the game's narrative. Still, I felt a stong desire to resolve a particular situation and uncover this part of the story. So I played through again. And then a third time.
On the third playthrough I resolved the situation and uncovered something that not only fit with things that the game had been hinting at, but also blew my mind because the "narrative device" of exploring this complex alternate universe turned out to be more complex than it appeared on the surface. I finally got a small part of what the game had been trying to tell me all along.
Once you realize what might really be going on -- it is HUGE.
Now not only did I WANT to play the game again and learn as much as I could for my own enjoyment -- and I'll mention here that I've played the game all the way through about a dozen times, finding new and interesting things each time -- but I also felt that from a narrative perspective that I NEEDED to play through and learn as much as I could because of what I realized was going on.