I see some world ils start from a new game and others use a completed file, so which should be used
Heyo!
The intent is to start with an uncompleted file, yet it wasn't stated in the rules. Fixed that now, thanks for reporting this flaw in the ruleset :).
In the first 4 worlds, there is only 1 100% run that doesn't abide by that rule. However, since it's not a #1 run by a big margin, I feel like it can be grandfathered in. If you feel different, by all means put it up for debate and we can have a community vote.
Mirror Mode now has its own leaderboard as a full-game category. This consists of completing every level in Mirror Mode (essentially the second half of a 200% run). This can be compared to the existence of Green Stars as a category in SMG2. This will hopefully serve to create more interest in 200% i
