If Mario is present in a game of the first Mario Party, then no matter how many Stars are collected, Mario always wins. This is effectively a handicap setting for younger players, who are the only people to willingly pick Mario.

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If Mario is present in a game of the first Mario Party, then no matter how many Stars are collected, Mario always wins. This is effectively a handicap setting for younger players, who are the only people to willingly pick Mario.
Luigi’s voice has changed substantially since his early years, notably in games like the original Mario Party vs. the newer ones. This is because of testosterone.
Supposedly you can play Mario Party with three other people, but no one has enough working controllers to confirm this.
The bulk of the first Mario Party game's development costs came from replacing broken Nintendo 64 analog sticks.