Challenge Node

The article's title should not be confused with Challenge Mode.

The Challenge Node.

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“Have you two come to test your limits in the Challenge Node?”
—Emoglobin, Mario and Luigi: Bowser's Inside Story

The Challenge Node is an area found inside Bowser's body in Mario & Luigi: Bowser's Inside Story that is, apparently, located in Bowser's spleen. This area is completely optional and does not need to be entered to complete the game.

Challenges

Here, Mario and Luigi can participate in several challenges:

• The Gauntlet - Here, the Mario brothers can fight X Bosses, which are optional bosses that are bosses they have fought before, but the bosses are more tough.
• Cholesteroad - Here, Mario and Luigi use the Special Attacks they have learned to fight the same enemies until the player messes up.

There is also a block that works the same way a Rally Block does here. If it is hit 99 times in a row, the player's coins will automatically be doubled.

Names in Other Languages

Language	Name	Meaning
Japanese	チャレンジホール Charenji Hōru	Challenge Hall
Spanish (NOA)	Nodo Desafío	Challenge Node, means the same.
Spanish (NOE)	Salón Desafío	Challenge Hall
French (NOA)	Colisée des défis	Challenges' hall
French (NOE)	Hall des défis	Challenges' hall
German	Wettbewerbshalle	Challenge Hall
Italian	Salone delle Sfide	Challenges Hall

Mario & Luigi: Bowser's Inside Story
Protagonists		Bowser • Luigi • Mario • Starlow
Special Attacks	Bowser	Bob-omb Blitz • Broggy Bonker • Goomba Storm • Koopa Corps • Magikoopa Mob • Shy Guy Squad
	Mario & Luigi	Falling Star • Fire Flower • Green Shell • Jump Helmet • Magic Window • Mighty Meteor • Snack Basket • Spin Pipe • Super Bouncer • Yoo Who Cannon
Bosses	Giant Bosses	Bowser's Castle • Fawful Express • Super Peach's Castle • Tower of Yikk
	Bosses	Alpha and Beta Kretin • Biffidus • Bowser • Bowser Memory ML • Broggy • Broque Monsieur • Chakron • Dark Bowser • Dark Fawful • Dark Satellmite • Dark Star • Dark Star Core • Durmite • Junker • Junker Can • Leaf Guy • Midbus • Scutlet • Sea Pipe Statue • Shroob • Snawful • Wiggler • Wisdurm
Locations	Mushroom Kingdom	Bowser Path • Bowser's Castle • Blubble Lake • Bumpsy Plains • Cavi Cape • Dimble Wood • Fawful Theater • Peach's Castle • Peach's Castle Garden • Plack Beach • Project K • Toad Town • Toad Town Caves • Toad Town Mall • Tower of Yikk • Tunnel
	Bowser's body	Airway • Arm Center • Challenge Node • Chest Station • Energy Hold • Flab Zone • Flame Pipe • Funny Bone • Gut Check • Joint Tower • Leg Outpost • Lumbar Nook • Memory Banks • Nerve Cluster • Nose Deck • Pipe Yard • Pump Works • Rump Command • Toad Square • Trash Pit
Enemies	Mushroom Kingdom	Alarm Bob-omb • Beehoss • Borp • Chain Chawful • Choomba • Chuboomba • Coalbit • Crawful • Dark Fawful Bomb • Dark Fawful Guy • Dark Mechawful • Dark Mechawful.5 • Dark Trashure • Drillbit Crab • Fawflant • Fawflopper • Fawfulcopter • Fawful Guy • Flifit • Glam Lakitu • Jailgoon • Lakitu King • Magifoofa • Mawful Mole • Mechawful • Metal Mawful Mole • Naplock • Nooz • Pendril • Scutlet • Sneed • Sniffle Thwomp • Sockop • Toothy • Treevil • Trashure
	Bowser's body	Airnapse • Air Cannon • Air Cheep • Bone Thwomp • Bubble Blooper • Calorite • Dried Blooper • Elite Goombule • Goombule • Napse • Pep • Piranha Plorp • Protobatter • Pwallop • Spike Blop • Stonk • Tenderling