Betakey?

nice!

Nicee game is actually fun

Beta keys, guest passes, and coupons should not be given away.

https://www.steamgifts.com/about/guidelines

Is this a key for the Beta or for the actual Early Access release?

It was the Beta:

https://i.imgur.com/eq23TVI.png
https://i.imgur.com/M5epnkz.png

Thanks for the giveaway, but I cannot mark it as received because it's not the correct game and it will eventually be removed from my account.
You can request for the giveaway to be deleted though, so it won't count as not delivered for you.