Since the game is for the Wii, here are several feature concepts you could develop and the methods you would use to implement them: Potential Feature Ideas
Mario Party 8 is a party video game developed by Hudson Soft and published by Nintendo for the Wii. Released in 2007 (NTSC regions: North America and parts of Latin America), it is the eighth main entry in the Mario Party series and one of the early Wii titles that use the console’s motion controls to refresh classic board-game-style minigame party play. Mario Party 8 Wii NTSC-WBFS
refers to the specific region (NTSC for North America) and file format (WBFS) used to play the game on a modded Wii via USB loaders. Essential Gameplay Guide Since the game is for the Wii, here