Motor Rooter

Motor Rooter is a Duel minigame found in Mario Party 3 and Mario Party Superstars. The name is a pun on "."

Gameplay
Players attempt to reach the goal by racing with Koopa Shell-like hovercrafts in pipes. The players can move all around the inside of the pipes. On the way, there are acceleration panels shaped like red arrows that make the player speed up. There are also Amps that are indicated by lightning bolts on the central map. Their shock waves cover all but two of eight spaces the player can be riding on. If the player gets shocked, they are stunned and their speed suddenly decreases. The first player who reaches the goal wins. If neither player reaches the goal within the time limit, the minigame ends in a draw.

In Mario Party Superstars, the mini-game has a more futuristic appearance. Additionally, characters vocalise every time they move, speed up, or are shocked.

Mario Party 3

 * – Move clockwise
 * – Move counterclockwise

Mario Party Superstars

 * (Left) – Move Clockwise
 * (Right) – Move Counterclockwise

Mario Party 3

 * Game Rules
 * Tumble: "Race a Koopa shell through the winding pipe. Drive over acceleration panels to increase your speed."
 * Goomba: "It's a Koopa shell race in a pipe! Run over an acceleration panel for a quick speed burst!"
 * Advice
 * Tumble: "There are Amps in the pipes waiting to slow you down. Try to slip through their electric attack."
 * Goomba: "Amps are within the pipes and will slow you down by shocking you! Navigate well to avoid them!"

Mario Party Superstars

 * "Race a Shell through the winding pipe, and get to the finish line before your rival. Navigate well to avoid the Amps !"

Names in other languages
Turbo-Tunnel