As far as we know, this doesn’t have anything to do with early access – the full game won’t support coop either. This means you can either play it by yourself, or engage others in battle online, but you can’t work together towards a common goal. You can see on the Steam store page that the game supports single player and online PvP. Co-op Mode in Mount & Blade 2 Bannerlord Is co-op possible in Bannerlord? If you’re wondering about this yourself, keep reading our M&B2 Bannerlord co-op guide. One of the main questions, which has been asked many times and in many places, is whether the game supports co-op. It’s mostly new players who are having trouble – series veterans are used to being slapped in the face by the game. Mount & Blade 2 Bannerlord was released into early access yesterday, and a lot of folks are finding it impenetrable.