"Connect with friends online and share your screen for co-op or competitive play. Select a 1- or 2-player mode and go. In single-player games, you can take turns at the controls."
Seems like a simple way to make 2p work, just run it on one system as the game was originally programmed.
Metroid is coming out next month - nothing else looks good to me the rest of the year. I'm still in the hide and watch mode on purchasing.