Probably just scraped -- you are listed as "Mollerjoi" on https://flashgames.cx/game/supermax and on http://play.ee1234.com/en/all/9a9ead34-cfd7-43a2-b0be-0c2b75... -- interestingly on the "Source" you're not even credited (https://www.y8.com/games/supermax)

Yes, it's all user-curated:

https://flashpointarchive.org/datahub/Curation_Tutorial