Co-op games are a special sub-category of games that are hard to not be interested in, only because of their simple yet effective appeal of having at least one buddy tag along with you on your adventure be it hilarious accidents that make for memorable screenshot/video material or horrifying mistakes that send you and your team on a losing downwards spiral. So here is a list of upcoming games that you would be able to enjoy with a friend.
Source: N4G PC 4 Upcoming Co-op FPS Games In 2020