ILs always require milliseconds, and I don't think this is an exception. A few ILs already on the site use IGT, though, so you're probably safe on that.

What is done in that video is the player does a spin jump input and presses crouch immediately, then rolls. It allows you to roll out of a ground pound without actually ground pounding.

253 moons unlocks Dark Side of the moon, and 503 unlocks darker side of the moon. Both categories require you beat the main mission of that world.

I imagine these would be useful for categories beyond any%.

Could you change my name to Ryukas? NessAtc is very old