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“Press the buttons with a friend to measure your compatibility levels!”
In-game description

Compat-I-Com is a Gaddget in Mario Party Advance. It is available from the beginning and has no requirements to unlock. The Gaddget can be used to play a two player minigame. Compat-I-Com is played on the same Game Boy Advance. Both players must press the two buttons on the left and right side. Once both players have pressed the buttons, a random percentage out of a 100 will be calculated. The percentage displayed is used to represent the compatibility between both players. A high score represents a good compatibility and a low score represents a bad compatibility.

This Gaddget appears in the Bonus Board mode, where a score of over or under 50% causes a player to move to the other player's space.


  • L Button and +Control Pad - Complete input
  • R Button and A Button - Complete input


Names in other languages[edit]

Language Name Meaning
French Harmonitest Harmonytest
German Herz-O-Mat Heart-O-Mat
Italian Amicometro Friendmeter
Spanish Compati-Test -


  • This Gaddget could be played on the now-defunct Mario Party Advance website if the player collected fifteen stars.[1]


  1. ^ Wayback Machine archive. Retrieved March 24, 2021.