Thirty-two loops, two and a half hours, two endings. Holy shit, that was fun. Took a while to figure out which things needed to be repeated in what order to unlock the stuff I knew damn well was there, because it followed from what I'd already uncovered, but I eventually got the hang of it. Still, the good end is absolutely wild, and refreshingly bizarre.
I must say, their works are always wonderful. You should really check out all their games, they are very profound and protray feelings in such unique, strong ways that reach down into your soul. They're not games, they're experiences.