This guide will tell you how to unlock Multiplayer Co-Op in Gotham Knights. You have to follow the simple steps below to unlock it.
The first thing you will need to do is boot up your game and then go to multiplayer. Follow the main story until you reach chapter 1.3, you have to pass the third mission and the third night.
After this, you will get access to the multiplayer Co-op. To check for the chapter, you have to press the maps button and then click on case files. Under this, you will find the chapters.
