Below is a list of mini-games found in Mario Party 3. There are seventy-one mini-games found total. These are made up of twenty 4-player mini-games, ten 1 vs. 3 mini-games, 2 vs. 2 mini-games, and duel mini-games, eight battle mini-games, six item mini-games, three rare mini-games, and four of Game Guy's mini-games.

4-player mini-games

1 vs. 3 mini-games

2 vs. 2 mini-games

Duel mini-games

Battle mini-games

Item mini-games

Rare mini-games

Game Guy's mini-games