Originally Posted by Cthulhufan 
I have spent 30 or so hours in game and have not found this to be the case. The randomized part that is. The fun factor is up there…
The warden, the Siren, the ledge, the mud flats, the everything has been exactly the same every time I've played through.
Hmm very odd. Straight from their
press release page it says:
Randomly generated levels and items for extreme replayability
And I found them randomizing during my play-throughs. Maybe it's a bug?