I put all my blood sweat and ass into this game, and now the leaderboards are gone. what shall i ever do?

go back to mario speedruns

Considering that it's Scratch webgame that is less than 7 minutes in length, I can't say I'm surprised it got deleted.

Since when does the site delete leaderboards?

Probably the moderator(s) who requested the game have deleted it themselves. But they can only do that on the first 14 days after the approval of the game, so that leaderboard was probably really new to begin with.

Can confirm. The game was added last night.

OK so I think the solution here is to request it again and start over.

As someone who submitted a single run for this game that took around a minute to get, this is a great loss