I just played through it. It is probably the best Quest game visually, and is much bigger compared to the first one. In fact, in my opinion, the game is overly ambitious and it would have been a better game if they just focused on puzzles and narrative. Stealth, combat and platforming are frequent and poorly implemented, and many puzzles are variations of very tired tropes such as pipe grids or matching signals with knobs (and they are not even good or inspired variations of those). I also think the game would have been better without the constant and annoying radio chat, and especially with a silent protagonist. There are enough pick-ups and environmental storytelling to figure out everything, and in fact the game forces you to explore those in order to solve some puzzles.
Despite those flaws, I had fun, mostly due to the visual spectacle and great environments. I hope they sell enough to do a third game and I wish they go for a more focused or polished experience.