Tong-its is a popular card game in the Philippines that involves melding and discarding cards to form sets or sequences. It is also known by other names depending on the region or dialect, such as tong its, tong-its talyer, 13 cards, and pusoy dos. In some places, it is also called "sakla," "congkak," or "thirteen." These different names may refer to variations of the game, but they all involve strategic play and a bit of luck. Regardless of what it's called, tong-its remains a beloved pastime for many Filipinos and has even gained a following in other parts of the world.