Thanks Mabrookes! I was out at the time, but if anyone was wondering I ended up trying the key after the time ran out and it still worked!

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It's 6 PM PST and keys are still working and are available in library.
So, If you missed it you still have a chance. :)

I just checked too and the game is still available in my library :)

Wow.
Just wow.
This is what I received from Humble Bundle Support regarding Stealth Inc.2 Giveaway.
It's a lesson for those who think GOG support is bad.
It says:

"Hey ,

It appears that all of our support ninjas are still busy fighting bad guys. We are working as hard as we can to get to your request. Hang tight and you should receive a reply soon.

Feel free to reply to this ticket if you have any updated information about your request. If you have managed to resolve your issue, please reply to this message with '#resolve'.

Thanks!"

I wonder if the keys still work, anyone want to try one?

I think I activated mine 3-4 days ago. I hadn't really had any plans for doing something with it and noticed it seem to have an (expired?) deadline and went ahead. But it did activate on Steam.

Page had an expiration date but game is still there .

Bump

After a new checking, it seems that only the wallpapers bonus were removed from the download page. DRM-free game and soundtracks are still here !

It was removed from mine and I got the following notice.

I guess they were in the middle of removing everything it when MaxFulvus checked. Good thing I downloaded everything beforehand.