Subsequent pressing of the join button will despawn the baby, giving Isaac the Red Heart container back.īabies share Isaac's stats except for health and damage babies deal half of Isaac's damage. (These versions can also support up to 4 players.)Ĭo-op players can join in at any time as a random baby, taking a Red Heart container away from Isaac and giving it to the second player. The PlayStation 4 and Steam versions of the game are capable of both local and online multiplayer via PS4's 'Share Play' and Steam's 'Remote Play Together' features. The Afterbirth DLC increased this to 4 player local co-op. Rebirth features 2 player local co-op on PC. For items that follow Isaac, see familiar.