Mario's Tunnel Of Doom

Mario's Tunnel Of Doom is a place Mario created in order to help Tari and Luigi fight their fear.

SMG4: Mario's Tunnel Of Doom[]

When Meggy's method to solve the fear problem of both Tari and Luigi was inefficiant, Mario summoned his Tunnel of Doom in order to help them.

v - e SMG4 locations

Continents/Countries
Africa · Eagleland· United States · France · Italy · Japan · Mexico · Mushroom Kingdom

Provinces and Autonomous Territories
Cat Kingdom · Dream Land · Francisco Fajardo · Glowshire Kingdom · Isle Delfino · Koopa Land · Kushroom Mingdom · Luncheon Kingdom · Mushroom Kingdom · Rockford · Shiver Region · Toytoy Kingdom · WAA kingdom

Towns and Cities
Akihabara · Bloopersville · Clock Town · Delfino Plaza · Inkopolis · Lost City of Gold · Mushroom City · New Donk City · Onett · Oviscity · Rabbid Town · Smexy Town · Teletubbyland

Abodes
Bob's Mansion · Bowser's Castle · Castle Dedede · Donkey Kong's House · Fishy Boopkins' House · Hotel Bob · Mario's House · Mario's second house · Peach's Castle · Snitch Productions Castle · Steve's House · The SMG4 Castle · Wario Bros Residence

Locations

Islands
Anime Island · South Island · Yoshi's Island · Dong Island

Dimensions
Bootleg Dimension · Cancelled Dimension · Fourth Wall · Internet Graveyard · The End · The Rejection Dimension · Weegeeland · TV Dimension

Planets
Aelion · Mobius · Planet Weegee Star · Planet with a lack of toilets · Sonatus · Weegee Planet

Multiverse-related
Da supa Mareeo Brois Moveei · Grand Mario Hotel · Heaven · Imperfect Mage · Old Universe · Perfect Mage · SMG0's Universe · The Great Beyond

Others
Rainbow Road · Wario World NOTE:Italics denote destroyed places.