Sea of Stars is getting three-player couch co-op, but we don't know when

Everyone's favorite Chrono Trigger-esque RPG, Sea of Stars, is getting a three-player couch co-op mode . Publisher Sabotage Studios dropped a trailer for the upcoming feature, which has been dubbed Single Player+. As you can see, there's independent traversal for each party member, so long as everyone stays within the same general vicinity. It doesn't look like one party member will be able to dip out to snag a power up from another map. The trailer doesn't show combat, but the publisher promise...