Set the system date to any day in December to unlock a Christmas-themed background and costume.
Use the following combinations in Let's Match:DISH - INGREDIENTSBeef Bowl - Rice and MeatChop Suey - Meat and SushiCurry - Meat and VegetablesMeatloaf: Meat and MushroomsOmelet - Rice and EggRice-stuffed Squid - Rice and SushiSalisbury Steak - Egg and MeatStewed Vegetable Rice Bowl - Rice and Vegetables