Same problem here.
I gave away my alpha steam keys because Larian said that those would expire when the game comes out. Then they decided to not do that. And now I'm sitting here without a key and Larian won't resolve that problem before tomorrow. (If they even resolve it, I'm starting to doubt that.)

But oh, I could have watched Larian's Swen play D:OS on Twitch tonight if I wanted. That made me feel good.
"We won't resolve the problem we caused and due to which you cannot play until some time tomorrow but in the meantime you can watch us play!" Yay.

Actually not confirmed.. I'm getting a 404 page error.

Sigh...
I would say Larian are as guilty here as anyone else.

Apparently 2 months, since the game is not "released" yet, so no reviews can be submitted.
Not that I would prefer it otherwise.

I'm sorry you and the rest of the GOG team have been so tired and whatnot this past month, understandably so given the sale.

However, I do feel I must criticize the decision to wait for Galaxy to be up and running before a release to the public happens. Everyone is just going to purchase the game on Steam. Perhaps GOG will get some sales when the title goes on sale.

Two months, I think; I have the game as a backer, but since it's officially in pre-launch state the review functions are still greyed out for me. Edit: ninja'd.

Or even don't purchase it at all if the only way to get it is steam. Waiting 2 month is a commercial suicide. It's like giving the house keys to the robber.

The only thing which I really don't understand why gog wen't with the decision to postpone release of the game for two months. Does gog actually have a marketing department? I mean to any person this seems as an insane decision.

Hmm now I'm getting error 404 when trying to download.

Thanks for the Update for the Backers. The rest of us knows that we must wait 2 more months for the game.

Maybe a suggestion for your next business meeting. Please, GOG, talk about your release and information politics. This was a mess, it was announced as Day 1 Release months ago in the regional pricing discussion. This was terrible.

Wasn't TET the marketing department and he's leaving?

This is the fail. I, at least, was under the impression for months that this game would be coming to GOG on release. Now we find out that it was only coming to GOG on release for Kickstarter backers.

Bad Larian! Bad GOG! *thwacks on snouts with rolled-up newspaper*

Since I was financially unable to preorder the game until last month, at which point I decided I might as well skip Early Access to pick the game up on GOG on Official Release Day, this is very disappointing.

Right now, I may play through my Summer Sale backlog for a couple of months, let my irritation cool, and then decide where and at what price I'll buy D:OS.

TL,DR: Larian and GOG just lost a full-price launch day sale to Customer Me.

Only able to download the artworks so far - the installer files are all giving 404 errors.

Yeah, that is too bad, for you. I was ready to put money down for this game, today, but it looks like I won't be doing that, and I really don't see any reason to reward GOG a month from now for this kind of pointless delay. I have zero interest in achievements or multiplayer stuff. I get some other people cream all over that kind of stuff, but frankly I just want to download the game and play it the way I've been playing games for thirty years. That's what GOG has always been about, the classic experience... but I guess not so much any more?

Why on earth can't you just publish the game if it is already being made available to KS key holders right now? As others are saying, kick that problem all the way up the chain, and post haste. It's a really stupid business decision on so many levels.

No it wasn't. What it said was:
"Sure, if you want to play online you need to be connected, and if you want to share the achievements you've unlocked, you'll need a profile for that"

Both of which are "Well, duh" for anybody who chooses to use their brain.

I agree that having the non Kickstarter GOG release of D:OS pushed to the end of August due to Galaxy is a bad effect but it is totally unrelated to the unevidenced lack of optionality for whole games* that you claim.

* I say whole game because I expect that multiplayer modes using a publisher's server will require authentication and thus possibly the Galaxy client but this is inherent to the nature of using someone else's server. You buy the game (well, a license to it), not the servers and saying that this would be DRM would be silly, someone might as well say that GOG has got DRM because you have to be online and authenticate yourself to see your shelf on their website.