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The Unterzee will claim everything.

<span class="bold">Zubmariner</span>, a delightfully deep and terrifying expansion pack to the exploration/roguelite cult hit Sunless Sea, is available now for Windows, Mac, and Linux, DRM-free on GOG.com. Resourceful captains can now dive into the <span class="bold">base game</span> for 66% off.

Your steamboat has served you well, helping you roam the islands, transport curious cargo, worship cruel gods, overcome madness or seek after it. Now it's time to convert your vessel into a zubmarine and dive into the unforgiving, ever-shifting depths of the Unterzee. Death, despair, and mind-rending discoveries await you in these dark waters. Will you survive long enough to uncover the stories of the 11 new ports and to brave all the fresh terrors lurking there? You might have to resort to cannibalism, deception, or the occasional shady deal, but that's a small price to pay for an entrepreneurial soul such as yourself, isn't it Trespasser?

Succumb once again to your severe "sea-seekness" and dive deeper into the abyss as a foolhardy <span class="bold">Zubmariner</span>, DRM-free on GOG.com.
In anticipation of these submerged horrors, Sunless Sea received a free content update, which adds a handful of new quests and events, along with a revamped Rose Market.
The 66% discount on <span class="bold">Sunless Sea</span> will last until October 14, 4:59 PM UTC.


https://www.youtube.com/embed/jS3h3fwVa3U
Post edited October 12, 2016 by maladr0Id
Heads-up, zeecaptains!

There's been a slight mixup with the DLC, which has now been ironed out. Those of you who have already installed Zubmariner through GOG Galaxy will now notice a message telling you that the DLC is not compatible; do NOT be alarmed! Regardless of the message, you can still normally launch Zubmariner from the DLC's card and now from your Sunless Sea card as well.

Everyone who's using the offline installers or hasn't yet installed the DLC through their GOG Galaxy client, feel free to disregard this notification. Now, what are you all still doing here, zailors? The Unterzee awaits!
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maladr0Id: Heads-up, zeecaptains!

There's been a slight mixup with the DLC, which has now been ironed out. Those of you who have already installed Zubmariner through GOG Galaxy will now notice a message telling you that the DLC is not compatible; do NOT be alarmed! Regardless of the message, you can still normally launch Zubmariner from the DLC's card and now from your Sunless Sea card as well.

Everyone who's using the offline installers or hasn't yet installed the DLC through their GOG Galaxy client, feel free to disregard this notification. Now, what are you all still doing here, zailors? The Unterzee awaits!
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Tyrrhia: Does that mean that the DLC is now being treated as a regular DLC? I hope so, especially since it says on the store page that it's the first expansion, presuming that there are others in the work.
Yes :)
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maladr0Id: Yes :)
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PaterAlf: I have to ask: Why can't I buy it, if it is a standalone expansion?
That's because it's not supposed to be a standalone expansion, you need to own Sunless Sea in order to buy it.
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Godfather101: hmm, i already posted this in the Sunless Sea Forum, but i'll also post it here as well, because there seem's to be
a Problem with the GoG Galaxy Version of the Dlc/Sunless Sea:

https://www.gog.com/forum/sunless_sea/gog_galaxy_update_problem

"So, i have a Problem with Sunless Sea Zubmariner.
I bought it on release (when it still was standalone) and installed it via GoG Galaxy.
everything works fine, there are some little bugs, but nothing which would make the game unplayable.
Yesterday GiG Galaxy tried to download an update for sunless sea.
It is really big (314 MB) but everytime it end i get the message "Sunless Sea Update failed".
Galaxy tried multiple times to update but everytime it does it fails.

So, is there some error, something i can do?
As i already played the base game and now continued my captains voyage into the underzee
i'm a little bit worried to reinstall the whole game because of loosing everything i got.

So, can anybody help?"
Hmm. Did you try sending this as a ticket to our wonderful support?