I'm still hoping for local co-op, as that would be awesome, but I think it is only 2 player over LIVE.
I've found a number of sources that said the multiplayer was cut from 4 down to 2, but only one hints at it being only over LIVE.
http://www.worthplaying.com/article.php?sid=52756
Shared experience. Conquer the world of “Too Human” alone or with friends through advanced, online multiplayer co-op gameplay through the Xbox LIVE® service.
Edit: Ugh ... I found the article: http://www.cinemablend.com/games/Too-Human-Finally-Gets-A-Release-Date-Loses-Offline-Coop-10398.html
Threads of Interest:
The Movie Thread: http://www.vgchartz.com/forum/thread.php?id=6880
The Crow Eating Thread: http://www.vgchartz.com/forum/thread.php?start=0&id=3886
The Betting Thread: http://www.vgchartz.com/forum/thread.php?start=0&id=7104
Custom GIFs Thread: http://www.vgchartz.com/forum/thread.php?id=18963
The Greatest Game Ever Conceived On Any Platform
Tag: "I have tasted Obi-Wan's bitter tears"