Star Pieces are one of the two main collectibles in . These tiny yellow diamonds can be found all across the game. They're used as currency by Dazzle, who runs a shop in Rogueport Sewers. Dazzle takes your Star Pieces in exchange for Badges, which give Mario useful buffs and abilities.
The main problem with Star Pieces is that there are 100 of them, hidden behind structures or under flipped tiles. You can pay Merluvlee, who lurks behind the green door near Dazzle, for hints as to the location of Star Pieces. Still, it's better to save your coins and find Star Pieces with a little free help.
Picking out your favorite-colored Yoshi will take more than a button prompt in Paper Mario: The Thousand-Year Door, as it requires precision timing.
Some Star Pieces can be hard to find, as you need to unlock certain skills to access them. For example, you won't be able to flip panels until Chapter 2. Each Star Piece is organized by chapter and area. The majority of Star Pieces can be found in Rogueport, although they won't be immediately available.
If you're worried you've missed something in this huge area, Trophygamer on YouTube has a video showcasing Rogueport Star Pieces in the modern remake of .
Area
Location Description
Rogueport
Behind the crates by the east exit of Rogueport Square.
Behind the mattress in the messy house by the east exit.
On the roof of Zess T's house.
On a crate behind Professor Frankly's house.
Rogueport Sewers
Behind the pillar behind Dazzle.
By sublevel 3's east entrance.
Area
Location Description
Petal Meadows
In the tree to the left on the platform with the west entrance pipe.
In the background by the west entrance to Petalburg, accessed through a nearby pipe.
In the first clump of grass after entering Petalburg from the east.
Hooktail Castle
On a ledge near 1F's flippable stairs, accessed through the yellow block or 2F window area.
On a balcony connected to a room right of the stairs from earlier, accessed with the purple
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