Warp Door - Super Mario Wiki, the Mario encyclopedia

Warp Doors are objects appearing in several Super Mario series titles that take Mario, Luigi, or another character to another part of the level. Most of them are unlocked, while some, known as Key Doors, require a key to be opened. Some games feature P Warp Doors, which are blue doors

Super Mario RPG (Nintendo Switch) - Super Mario Wiki, the Mario encyclopedia

P Warp Door - Super Mario Wiki, the Mario encyclopedia

Super Mario World, Nintendo

Super Mario Odyssey - Super Mario Wiki, the Mario encyclopedia

Donkey Kong - Super Mario Wiki, the Mario encyclopedia

New Super Mario Bros. - Super Mario Wiki, the Mario encyclopedia

Princess Peach, MarioWiki

Super Mario 3D World - Super Mario Wiki, the Mario encyclopedia

Super Mario 3D Land, MarioWiki

Gold Shell, MarioWiki