I can't pass the rock that block the way I need help please

i don't know if its normal but when i choose fixed party i only have the two first line of character that i can only choose?

What is the difference between 100% and all stars?

what is the 03% noo noo easter eggs?

I didn't see when you changed the rules of all jumpscare you removed ERROR mouse so it doesn't want to validate the run?

by doing the all jumpscare photo-negative mickey had completely disappeared.