@ggurman check out $ Answer Boxes under the search bar, How to Remove Them? - #3 by Saoiray to learn how to block elements.
That said, I just did similar to instructions on that and ended up with:
codenames.game##[src*="/promo/cnapp/en-gameplay-landscape-2.png"]
So whether you do it yourself or take the easy way out and put that rule in under content filters, am assuming should work fine for you, at least for now. Perhaps might need some adjusted rules in the future if they were to put in anything new, but yeah…
