I have been playing Spades and have not received credit for my nil games.

"Win 20 Blind Bids this week"

It’s BLIND BIDS not necessarily NIL bids.

Just winning a NIL bid will not work.

💡 In July of 2021 Moogan1201 figured this out for us on here... You can use the search above and type in "no credit for 4 NIL BID" to see the thread.