What is the difference between mArio party 8 and mArio party 9?

The main difference between Mario Party 8 and Mario Party 9 lies in their gameplay mechanics and board design. In Mario Party 8, players move individually around the board, collecting stars and competing in mini-games. In contrast, Mario Party 9 introduced a car mechanic where all players travel together in a vehicle, changing the dynamics of movement and strategy. Additionally, Mario Party 9 focuses more on cooperative elements and has different mini-games and party modes compared to its predecessor.