Mario Circuit - The Great Maze Warp Level - Works, invisible platform.
Onett - Platform With Samus In Tube - Freeze, I know solution.
Corneria - Random Lab Area - Freeze, I know solution.
Big Blue - Requaza Lake - Freeze.
75m - Shadow Bowser Area - Works, invisible platform
New Pork City - Random Lakeside Area - Works, breakable thing in the center and wtf noises from boss attacks.
Rumble Falls - Random Ruins Area - Has online waiting room code, forgot to take it off.
Shadow Moses Island - Floating Stadium (both) and Pokemon Stadium - Freeze, I know solution
Summit - The Flying Plate - works, camera is SEVERELY off center, random water, jump of left side and you die instantly and repeatedly.
Mario Bros. - Master Hand Area - Freeze, possible solution known.
Flat Zone 2 - Ruins Area - Looks Like Melee FD - Works partially,
froze during match, camera off center, possible solution known.
Skyworld - The Ruined Hall - Works, saw under the floor once (angle change), but its practically perfect.
Temple - Ridley Platform - works perfectly
Mushroomy Kingdom 1-1/2 - The Great Maze - Freeze, I know solution
Green Greens - Random Subspace Bomb Factory Area - Freeze, I know solution
Yoshi's Island [Melee] - Random Subspace Area - Freeze, I know solution.
Port Town Aero Dive - The Falcon Flyer - Works partially, invisible falcon flyer, froze a little into the match, I know a solution for the invisible FF and a possible one for the freezing.
Pokemon Stadium - Tabuu Destination - Works, has a random invisible staircase in the middle.
Just my results.