Suggestions by @tomzillawash3r3
178,350 suggestions
Rainbow Road
as Sonic in Mario's World in Mario & Sonic Adventure
Death Egg Prison
as Mario in Sonic's World in Mario & Sonic Adventure
City Escape
as Mario in Sonic's World in Mario & Sonic Adventure
Casino Night Zone
as Mario in Sonic's World in Mario & Sonic Adventure
Rooftop Run
as Mario in Sonic's World in Mario & Sonic Adventure
Eggmanland
as Mario in Sonic's World in Mario & Sonic Adventure
Metal Harbor
as Mario in Sonic's World in Mario & Sonic Adventure
Chaos Island
as Mario in Sonic's World in Mario & Sonic Adventure
Angel Island
as Mario in Sonic's World in Mario & Sonic Adventure
IceCap Zone
as Mario in Sonic's World in Mario & Sonic Adventure
Starfall Islands
as Mario in Sonic's World in Mario & Sonic Adventure
Studiopolis
as Mario in Sonic's World in Mario & Sonic Adventure
Red Mountain
as Mario in Sonic's World in Mario & Sonic Adventure
Tick-Tock Clock
as Sonic in Mario's World in Mario & Sonic Adventure
Jungle Hijinx
as Sonic in Mario's World in Mario & Sonic Adventure
Waluigi Pinball
as Sonic in Mario's World in Mario & Sonic Adventure
Sonic Adventure
as More Focus on Platforming in Mario & Sonic Adventure
Emerald Coast
as Mario in Sonic's World in Mario & Sonic Adventure
Mushroom Kingdom
as Sonic in Mario's World in Mario & Sonic Adventure
Sonic Heroes
as Mario Games meet Sonic Games in Mario & Sonic Adventure