Also, Space Game was indexed perfectly fine until I started uploading AI-assisted games.
Viewing post in Is itch.io shadowbanning AI games?
Could it be that you started using AI without disclosing it? If so, the staff might have concluded that you intended to deceive users, which could be the reason why your games aren't being indexed.
In that case, the issue isn't that you used AI, but rather that you were untruthful about using it. To be clear, this is just a supposition—I’m not accusing you of anything.