Viscera
Umu
Forget checkpoints, mushroom/fire flowers, event levels and Arino costume. "The true highlight of the update is knocking on doors.":https://www.youtube.com/watch?v=hWSc9w8iIoo
Also, trying out the new stuff a bit, I made a new level. It's just a rather quick thing and I haven't done a new level since quite a while, so don't expect too much.
Anyway, the ID is 6DF4-0000-00D8-30DC