Same Is Lame
From the Super Mario Wiki
Same is Lame is a 4-player minigame in Mario Party 6.
[edit] Gameplay
In this game every player has a podium to stand on. The point of the game is to press A, B, L, or R Buttons, with nobody else pressing the same button, if the player attempts to do it, the player's podium will rise, the first one to rise 3 times, wins. But if somebody does press the same button as the player, neither of the players will go up.
[edit] Introduction
The introduction is the 1st player jumping down some stairs to get to his podium.

