The game has been moved to in development but the write up there still says co-op for 1-4 players. I hope it's still the case. Though it may be that they simply haven't bothered to change it from before. Though why not change that when they've changed everything else?
Star Wars: The Card Game is a cooperative LCG that puts 1-4 players* in command of the Rebel strike force and mission team. Players will launch fleets of starships and direct some of the most famous heroes in the Star Wars galaxy as they confront the might of the Empire. By working together, players can fend off Imperial assaults and complete their mission, winning the game! In Star Wars: The Card Game, players take the roles of such notable heroes as Luke Skywalker, Han Solo, and Princess Leia as an Imperial deck opposes their mission attempts with a devious artificial intelligence. With a wealth of characters, starships, missions, and enemies, Star Wars: The Card Game immerses players in galactic conflict.