Super Paper Mario/Chapter 2: Gloam Valley

Rescuing Peach
Go down the elevator
 * Flipside Tower

Follow Merlon.
 * Flipside 2nd Floor

It's Peach!
 * Flipside 3rd Floor

Go to the shop and buy 1 Fire Burst.
 * Flipside 2nd floor

Go to the kitchen and cook the Fire Burst. Then it becomes some Spicy Soup!
 * Flipside 1st Floor

Feed the Spicy Soup to Peach. Peach joins your party.
 * Flipside 3rd Floor

Heart Pillar 2
Flip to 3D and open the locked gate and go through it. Go right some more in 3D to the path.
 * Flipside 2nd Floor

Go right and enter the pipe.
 * Flipside 2nd Floor Outskirts

Walk left to A sign. Flip to 3D and go to the path. Leap on the rocks on the left. Use Peach's umbrella to glide to the right and place the Pure Heart. Use the Return Pipe.
 * Flipside 1st Floor Outskirts

Enter the Orange door.
 * Flipside Tower

Chapter 2-3: Breaking the Bank
passcodes for the 2 VIP vaults are: 2nd floor vault, 4 digit passcode: 5963 3rd floor vault, 8 digit passcode: 41262816

Chapter 2-4: The Basement Face-Off
It doesn't matter which merlee you pick, you will be wrong and have to fight mimi. When you do, jump on her head repeatedly until all her legs fall off.