The main purpose of the Pianta Parlor is that Mario can use the special cards that can only be obtained by completing certain troubles. Mario can then win Pianta Tokens that can only be used at the Pianta Parlor. Lahla the Boo is seen working here and doing her simple trouble nets Mario 10 Pianta Tokens.
After Mario brings Frankie and Francesca Pianta to Don Pianta after Chapter 5, Don Pianta will leave Frankie in charge of the Pianta Syndicate and leave seemingly gone forever. However, it turns out that Don Pianta just went into the Pianta Parlor where he enjoys his days and is happy to see Mario whenever he plays there.
In the airplane game, Mario turns into a paper airplane and tries to fly as far as possible, with more piantas rewarded for farther distances. It costs 10 piantas per play. He is also able to collect piantas mid air and land on moving platforms to a bonus. There are also penalty platforms that are indicated with a -number of piantas. Upon falling to the ground, Mario is able to continue flying at the cost of 10 piantas.
In the Paper Game, Mario is in a race to reach the finish line before the other races. Mario goes through various narrow paths and up and down stairs to reach the finish line. However, wind appears throughout the race which blows Mario off the course. When the wind starts blowing, Mario is supposed to turn into Paper Mode, which prevents him from being blown off. The more racers Mario was ahead of, the more Piantas is rewarded. After Mario reaches the finish line or if Mario is blown off the course, the player can pay 10 Piantas to play the Paper Game again.
- In the Japanese version of Paper Mario: The Thousand-Year Door, the Pianta Parlor is known as "Monte Game". This is named after Don Pianta as "Don" in Japanese is "Monteone".