5 Biggest Upcoming Open-World Co-Op Games

When done right, open-world games offer hundreds of hours of greatness, and the same can really be said about co-op. So, when you combine the two to create shared worlds designed to be played with friends, you get some of the most memorable long-term experiences. 2026’s first few months are stacked with major releases that will attract attention and inspire discourse, and a select few of these projects will attempt to marry cooperative multiplayer with sandboxes to create something truly special.