Players can enjoy Diablo 4 not only alone but also with friends or family members in couch co-op mode. This feature was available in the previous parts of the series and was very popular among fans, so the developers added it to this part as well. To play together, users do not need to do anything complicated, as the main thing required is 2 controllers and Battle.net accounts. Check out this guide to learn how to play couch co-op split screen in Diablo 4.