Drop Platform
The Drop Platform is a gimmick in Mega Man 3, first found in the Doc Robot version of Shadow Man's stage. It is a trap platform comprised of two halves.
Drop Platforms were first made available in the devkit for the original Make a Good Mega Man Level, where they appeared in the entries Sunset Siege, Maze of Death, Under Construction, Spiky Meltdown, and Research Facility, as well as the Wily stages Cannon Deck1, Be the Bigger Person1, and Flashback Database.
Drop Platforms returned in Make a Good Mega Man Level 2, where they appeared in 15 entries, as well as the Wily stage Reality Core and the Pit of Pits sub-levels "Cutman IRL", "Cut Them Down To Size", "De", "Hot Liquid Sector", "Forgotten Fortress", and "Game Over - Return of Fire", as well as the battle with Gamma. They also appeared in the Make a Good 24 Hour Mega Man Level entry Nauseous Greenhouse, the Make a Good Mega Man Level 3 Judge Application Level Space Crusade, and the Make a Good Mega Man Level: Episode Zero stages Skyhigh Ridge, Subterranean Stronghold, When Spike Drops Freeze Over, Bubble Base, Ice Breaker, and Null and Void.
In Make a Good 48 Hour Mega Man Level, Drop Platforms were used in the entries blainz and Lasers and Platforms, as well as the Box Cartel stage Pandora's Parlor.
Behavior
Drop Platforms initially act like normal top-solid platforms. When Mega Man steps on one, it will pull its two halves apart and briefly point them downwards, causing Mega Man to fall if he hasn't already dismounted the platform. The Drop Platform will then put its two halves back together, making it solid again.