Haven't seen it posted here yet so, Humble Bundle is giving away free copies of SEVEN: Enhanced Edition for GOG.

https://www.humblebundle.com/store/seven-enhanced-edition-free-game?hmb_campaign=freegame_2020_homepage_seven_enhancededition_freegame&hmb_medium=banner

Note that you need to subscribe to their newsletter and link your GOG account, if you want to claim the game.

Edit: The giveaway has ended. Just in case someone digs this thread up again.
Have fun with your freebie :)

Nice surprise. It was on my wishlist. :)

For everyone who is interested: Keys expire on 9th June 2021. So there's more than enough time to redeem them.

There are no keys. Only direct activation to the linked GOG account.

For now is not working here...

No keys for me too. it is bad.

Yeap it worked, could redeem it even without Galaxy.

Keep hitting the button, guys. It took me four "You already own this item"s and two "An error occurred"s before I got confirmation that I had received the game. You must then open the email you receive, click on "Redeem now", then a new page opens, scroll down to "Redeemed to GOG Account [insert your name here]" and then hopefully Seven will appear on your account.

How doesn't it work for you?

First time I had to link my GOG account to Humble (enter my email and GOG password).
Then it said I am already subscribed to the newsletter.
Then I needed to click redeem again. After that the game appeared to my GOG account. So there was no "key" I would redeem on GOG, the game was activated from the Humble site (but I had to log into GOG from there though).

So it appears there are two or three steps that you have to do, if not already done:

1. Link your GOG account to Humble (I had to do this).

2. Subscribe to the newsletter (I didn't have to do this as I was already subscribed).

3. Redeem the code.

EDIT: Oh also, on Chrome there was some pop-up warning at some point so I allowed pop-ups from Humble Bundle. Not sure if failing to do that would cause it fail?

Error 404

Same here... :-(

Thanks! That's nice deal!

I hope building such a feature is a beginning of something. If they invested in building the connection HB-GOG – perhaps they're going to start reselling GOG games more often or they plan some multi-platform bundles or something else, which may result in good deals for people who prefer GOG.

Error 404 on the GOG site after you tried to redeem the game? I got the same, but the game still showed up in my library.

i got that too but the game appeared in my library

You are correct. Not really keys, but a redeem link instead. That works till the 9th of June 2021.