This is mentioned on our getting indexed guide, "Why isn't my project showing up" section in the last bullet point but we understand that it may not be immediately obvious and we can do better about communicating a page's state to the owner. itch.io/docs/creator...
It's worth mentioning that they were not recent uploads... They've been on Itch for months. If I had known they were in a "temporary review" state, I might have raised this issue before now. It's only the recent controversy that made me think to check. Makes me wonder how long they've been unindexed