User blog comment:Qubit2222/Shut Down Wii Sports Wiki./@comment-31150508-20180623005038/@comment-27345308-20180624113641

10 accounts shouldn't be too hard for VSTF or Staff to deal with. You should report the troll, especially if they are cross-wiki vandalizing pages. In this case, I believe it would be better to report them to Staff through Special:Contact/general as I don't see any obvious vandalism from them that VSTF would deal with. Asking them to block some IP ranges might help.

In any case, this isn't the place to request wiki deletion. Only Staff can close wikis, and they can do so only if you contact them through Special:Contact/close-wiki on the respective wiki, but as the Wii Sports Wiki has 393 pages worth of content, I'm pretty sure they won't close it. Have you thought of promoting other users to administrator position?

I understand dealing with sockpuppets might be a new (and hard) thing to you, but really the only way to stop that is to revert, block and ignore.