This has been like this for a long time now, and when I researched for it, some old posts said that there was no shadow banning in itch and that the game had to be out for a while.
It's been months since I've uploaded my game, DESOLATION, and have been updating it every now and then, but when I search for the game, it's not visible. Searching for my profile also shows a few games of mine but not Desolation.