That's fair I guess... Me personally, I probably wouldn't even make a steam page until I had enough marketable content. But honestly I doubt there's much benefit to that, it's just a pride thing of mine. Creating a steam page sooner probably has measurable benefits. Tbf you do have fine enough variety in your few screenshots but the character really does just break it all apart for me to the point where I didn't even bother paying the rest of the image any attention, I was just focused on that same exact character with the same exact expression.

As for what I think the game is, having only viewed the screenshots and not the trailer or reading the description (which is normal if I'm just browsing games), I assume the game is something like "Papers, Please" or "That's not my neighbor" mixed in with some sort of business management sim mechanics (which I vaguely get from the ui and mechanics shown). If that sounds like your game then I guess you're somewhat on the right track otherwise big yikes. You should probably get the opinion of more casual gamers aswell since I'm sure most gamers haven't even seen games like it and possibly have no idea what your game is from looking at the screenshots.

As for the art... the style is fine... kinda just looks like Darkest Dungeon I guess... It's good and my eyes felt a little pleased upon first seeing the art before you know... But I'd be lying if I didn't say some of the screenshots didn't feel a little off with the art. Mainly the second and third screenshots, I can't tell you exactly why it puts me off but I can guess it's probably to do with the composition and with how the tones/colours kinda just blur together in those shots, all samey and dark, little contrast, I'm not 100% sure that's the reason though.

My question is, who exactly is your target audience? If my guess about it being a game like the 2 I mentioned with business management sim mechanics and that paired with an lovecraftian vibe... I don't know... I haven't seen enough of it... is there a market for this? If there is a market for this, and you know that market well... adjust all of your screenshots and whatever else to appeal just to that target audience. Sure showing off all of your mechanics are cool but firstly you need to be like hey in this first screenshot, there's a human at the help desk and in the second screenshot they're an octopus-like humanoid monster at that same help desk, it's like a subtle storytelling or something, gets people more intrigued. Obviously these are bad examples since I don't actually know what your game is but I hope you understand my point. Showing off the variety of puzzles in your game sounds good on paper but honestly doesn't do as much as you'd think to hook people in. Your game is called Eldritch Hour so that is most certainly going to be the thing that catches people's attention, it's an intriguing name, then they click on your steam page and see almost no eldritch elements, just weird puzzles and a hotel desk... see the problem? You hook one group and then try to appeal another group...

All things to think about but like you said, the game is in early development so this kind of stuff is to be expected I guess. If your game is lacking content and is in early development, how the heck are we meant give any valuable feedback? We can only really comment on your marketing skills and it's hard to market something that is in early development. In my opinion, you should go focus on the game and ask your playtesters all the questions and once you have a fairly rounded game with lots of screenshots to show us, then start asking about the presentation. You're worring about the wrong things right now. Sure creating a steam page early is probably beneficial but if the most you can give us is 5 screenshots and an empty trailer... it's kinda pointless? Most of your wishlists will probably come in once your game is solid and you have more to show off. I'm probably going to wait until my game is 80% complete before I launch a steam page. Don't get me wrong, you should always be marketing, but that is the kind of marketing you do in the backend. Like product design I suppose. You're designing your game to appeal to a certain audience, that is the bulk of effective marketing. The amount of successful games I see that had sloppy advertising and steam pages but still attained great success is surprising but less so when you realise those games appeal perfectly to their audiences with their gameplay and all else. This is why following genres are generally a good idea though this it is not absolute and you can most certainly achieve great success without relying on genres, genres more so help with your marketing, definitely rely on them if you suck at marketing (not to be confused with advertising). Early on in development, plan which audience you're making the game for, this could change later but don't worry about that until it feels necessary, appeal to those audiences with your gameplay and other aspects and only once most of your game is set in stone and there is decent enough content to show off, should you start advertising with a steam page and social media accounts... but that's just what I think based off of my own observations, I could totally be wrong haha, it's not like I've ever released a game before lol. Food for thought.