Hi, I'm thinking of taking on this game as a future speedrun. I've been watching a few runs, and I noticed that some levels are held back as safeties because cat suits get lost.

I just want to make sure I get a list of the back-up levels for something like 380 stars.

Here's the ones that I do know of from what I've seen: 2-3 3-2 Bowser-5 Bowser-Mystery

What other levels should be on the list?

For 380 stars, the backup levels that could be used are:

2-3 3-2 6-4 6-6 8-5 8-MH 11-2 11-5 11-9 12-MH (if you attempt champion's road first)