Santa's feeling a little sick so he sent out his helpers to deliver the presents for him. Naturally, they are more than happy to oblige but aren't very subtle.
6 players must deliver as many presents to their targets as possible while managing their noise level. If they get too loud, they'll wake up the children and the last thing they want is to be spotted by an awake one. Each hero has different abilities and each child have different attributes (e.g. D.va is easy to wake and looks around a lot whereas Ana is the opposite). If a player is spotted by their target, they lose a point and get a new target. While at 0% noise level, an icon appears to show where your target is