Mario & Luigi: Bowser's Inside Story (Nintendo DS)
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Alternate endings
Successfully complete game with Mario, Luigi, and Bowser over level 40.
Successfully complete game with Mario or Luigi less than level 18.
Cholesteroad items
Get an "A" rank in the indicated challenge to unlock the corresponding item.
Advice Patch: Spin Pipe.
Bro Socks: Yoo Who Cannon.
Challenge Medal: Green Shell.
Daredevil Boots: Jump Helmet.
Dizzy Boots: Super Bouncer.
Master Wear: All challenges.
Siphon Gloves: Magic Window.
Heal Bowser's back instantly
Enter the Lumbar Nook and dig into the broken bone. Press A, B, X, Y, L, R, Y, X, B, A to have the alarm ring instantly.
Massage Parlor items
Get an "A" rank in the indicated challenge to unlock the corresponding item.
Bone Fangs: Koopa Corps.
Furry Band: Bob-omb.
Heroic Ring: Magikoopa.
King Shell: Get an "A" rank in all challenges.
Treasure Ring: Goomba Storm.