Hi ,
Had a closed beta Key set this earlier evening just come to redeem it in steam to find that is has already been activated, and is therefore invalid,
Not seen any other reports of this (but may have been looking in the wrong places) so thought I’d ask here if this is an issue that has affected other people or is it just me?
Registered to say the same thing, I got a key earlier today in email, but I keep getting a duplicate product code error. I also posted in the thread in Steam discussion.
@saltyCoral For reference I’ve now found this has been raised in the technical support board on here (cant currently post links) but it may be worth keeping an eye out on that thread.
"Hello all,
Some of you may have received an email with a beta key and upon trying to use it were told that it has already been redeemed. First and foremost we apologize for the inconvenience- but we do have good news! We will be sending you a fresh-new-working key @ 12:00 AM PST/8AM GMT February 21st. Be on the lookout for that email from us and be ready to play dirty 
<3,
The Dirty Bomb Team"