I haven't played this, but i have made some games in Game Builder Garage. Can those be submitted?

No

what type of question is that

Countryballs Well. You can't do it since the category only supports Among Us clicker. You can instead request it to be added to the site via support hub Tutorial

This question is sus

what the heck

well strach and roblox games have speedruns but Game Builder Garage or a a Game Builder Garage exactions leader board page is where they belong most likely but not here but then i am not a series mod.

"i made some games completely unrelated to this game, can it be a category?" bruhhhh