In terms of online features, there should be a wifi option on the main menu. This could launch a hub level where you see others walking around. Here, you can speak to people and play in mini games etc. For the main gameplay, there should also be a true Co-op feature where 2 players can play on a split-screen or via wifi, being Mario and Luigi. One player could do one task whilst the other does something else. Maybe rescue two characters at once.
As it is the Wii U, stunning HD visuals should be present in the game. Even night scenes with thunder/lightening outside the castle would have a great touch.
Attached is fan box art for the game.
Please tell me what you think of this idea ?
