You are charging for your game. It needs to be manually reviewed by an admin before it is added to the various game sections and shows up in searches.
If you look in this thread over here.... https://itch.io/t/363854/my-game-3-geeks-doesnt-seem-to-show-up-in-the-site
You will see a moderator commented "Your game has a price label attached, so it has to be seen by an admin before it appears in searches.