https://wccftech.com/ghost-of-tsushima-becomes-the-fastest-selling-new-sony-ip-during-ps4-gen-with-2-4-million-units/

Ghost of Tsushima is now the fastest-selling new Sony IP debuted during the PlayStation 4 generation, as announced this afternoon by Sony. The game managed to sell through over 2.4 million units globally in the first three days since launch.

Ghost of Tsushima is now PS4's fastest selling first-party original IP debut with more than 2.4 million units sold through globally in its first 3 days of sales.