Tic-Tac Drop

"Found your way to Tic-Tac Drop yet? Go there to face off against a rival in a twisted spin on the classic!"

- MC Ballyhoo

Tic-Tac Drop is a minigame competition from the Minigame Tent in Mario Party 8. The game is similar to tic-tac-toe, except it is played with minigames, and the balls that are put into the board drop into place, rather than staying in the middle or top rows. The game begins with MC Ballyhoo initiating a random duel minigame, after which the contestants compete to win the minigame. The winner of the minigame gets to drop a ball into the board in the location of their choice. Additional minigames will continue to be played until a winner is eventually declared. The first player to form a horizontal, vertical or diagonal row with their respective colored balls wins the game.

In-game rules
"To win Tic-Tac Drop, you must make a line up, down, or diagonally by dropping balls through the board's slots. You'll get one ball for each minigame win. If you reach a stalemate, you can start a fresh game."