‘Tis the season of goodwill, and Sony’s clearly in the giving mood. The platform holder’s currently sending out emails including a free festive theme, which you can download to your PlayStation 4 in order to add a little holiday cheer to your console. This appears to be a North American centric offer for now, but don’t rule out a similar rollout in Europe.
Speaking of which, we’ve seen some reports of PlayStation Network members in Europe receiving free codes for Horizon: Zero Dawn’s huge expansion pack, The Frozen Wilds. There doesn’t appear to be any rhyme or reason to this and we’ve been unable to corroborate with enough people to ensure that the offer is legit, but you may want to keep an eye on your inbox all the same.