|"A key to a door somewhere in town."|
|First appearance||Super Paper Mario (2007)|
The Old Key is an item found in Super Paper Mario.
After Princess Peach joins Mario's party, Merlon gives her the Old Key, which unlocks a nearby gate only accessible by flipping to 3D. Past the gate is the Flipside Outskirts, which leads to the next Heart Pillar.
Names in other languages
|French||Clé de maison bizarre||Weird House Key|