I beat The Vanishing of Ethan Carter. Here are some scattered impressions.
After a bit of aimless wandering at the start I didn't get stuck even once, which is a positive. It was like the game was always saying "hey, have fun checking this place out", and after I was done with each section I connected what I found and moved on to the next. It wasn't unfair at any point and didn't treat me like an idiot either. Presentation and design were on point.
Very satisfying exploration here. There's no hanholding (like it vehemently
proclaims at the start), so you
need to explore to discover what's going on. Plus, the atmosphere is rad, the game looks gorgeous, the soundtrack is great and there's a run button.
(Very light gameplay spoilers in the next paragraph.)
I wouldn't say the act of investigating is very deep though. I can see people disagreeing with me on this, but Ethan Carter isn't that structurally different from Gone Home as far as what the game asks of you. This is not a jab against the game, I liked Gone Home. Ethan Carter is more elaborate, there are puzzles and short cutscenes, and the maps are on a bigger scale, but after you understand what the gameplay boils down to and you have the layout of the whole region in your head it's smooth sailing. You're still basically looking for the interactable elements to make the plot advance and understand what happened, and even though you have to do things in a certain order at each area it's always lenient. The puzzles have "aha moments" and there are a couple of sections that may be head scratchers, but most of it gets pretty clear after you saw all the necessary components (which are never too far from each other), especially if you are acquainted with adventure games. But yeah, this was my personal experience and YMMV.
Took me 5 hours. I don't know how long it's taking other people, but I did restart once because of a bug that happened in my playthrough that would supposedly break some puzzles, and I wanted to be on the safe side (this bug was patched today but I had already faced it). Anyway, I definitely got my money's worth. I'm glad I pre-ordered because the bonuses are nice and the soundtrack is pretty cool, with extra mixes and endless loop versions.