Three Door Monty

Three Door Monty is a battle minigame found in Mario Party 3 and returns as a Free-for-All minigame in Mario Party: The Top 100. Its name is a pun on the con game three-card monte and the involving three doors.

Gameplay
In the introduction, the players have to watch a Boo (Goomba in Mario Party: The Top 100), Koopa Troopa, and Toad enter a door. The objective is for the players to answer the question of which character entered which door; the first player to answer the question correctly wins.

Mario Party 3

 * ,, or – Select Door

Mario Party: The Top 100

 * //: Select gate

Mario Party 3

 * Game Rules – "Toad, Boo and Koopa will enter the castle. Remember which door each one enters, then be the quickest to answer!"
 * Advice – "If you choose the wrong door, you're out. Hurry, but don't panic!"

Mario Party: The Top 100

 * Description – "Press the button of the gate where the character hid! The first to answer wins!"
 * On-screen – "Remember which gate the shown character ended up at and answer quickly!"