Goomba's Greedy Gala and Bowser's Gnarly Party! D: Goomba's one was all about luck! DX and Bowser's is...OMG! >:0 With the bridges system and Bowser waiting for you on a spot...-.-'
VSM: Please choose 1 board that's the hardest for Mario Party 4.
Bowser's Enchanted Inferno! for being ridiculously large for a board, and for the tough ? spaces, and Windmillville since I rarely ever get to the central windmill, let alone buy it.