I hope for your sake Rockstar doesn't create a world as immersive as the great sea in windwaker.If they do don't waste 12 hours of your life with Bob Dole.
It won't happen because that's not the sort of game that Rockstar makes. They make "gritty" and "realistic" games about the disgusting underbelly of society. The day they create an expansive, intricate adventure game is the day they cease being Rockstar Games.