My guess is that it'd be Madeline leaving behind a corpse to use as a platform when she dies. I've seen the concept used in another game before (though the game escapes me right now).
Though a simple answer to this original question, and that is... it'd just be slow to use in a speedrun. This "platform" would need to save time over doing rooms normally (as even in co-op, the other player would have to catch up anyway).
Pretty sure corpse platforms is referring to the partnership mod: https://gamebanana.com/maps/211027
As with all maps, we'll consider adding it if enough people show interest in running it: currently there hasn't been much interest in speedrunning the map to my knowledge and given it's age I'd be surprised if there was suddenly a surge in interest, but who knows.
Hi Modded Runners!
The SRC team has decided to make a sheet to archive modded map boards which have received little to no attention after a prolonged period of being listed. We now require ~1 runner per year of the map being listed on the boards. This process has now begun, with a 3 month grace per
