I love playing Beam with my friend, but doing a lot things is hard with how multiseat is setup. I would love to see a form of splitscreen added into the game for multiseat. Cause it would be fun to boot into a freeroam map and play splitscreen with a friend.
I agree that it would be nice, but it is not possible. The game would run much slower than it already does unless you have a really really really good computer. Do a search, this question has been asked many times before.