Hello, sorry for posting in the wrong section, but I cannot find a general help section.
However, I published my game for allowing my friends to test, but now I need to remove the game that I published but keep my project.
Does anybody know how I can do that?
The only current way to get a game deleted is to submit a support ticket. Response times are usually quick, so you should be able to get it deleted quite soon.
Is your game Public, and you'd like to make it Unlisted so that nobody can see it? You can do that by republishing it and changing the status from Public to Unlisted. Otherwise to delete the actual game you need to submit a support ticket like Nick said. 