Thirteen Poker is a multiplayer card game that can be played offline. There are different variants of the game that you can play depending on your preference.

The basic rule of the game is simple: the goal is to take down the other player by having the most points at the end of the round. The way to win points is to get rid of your opponent's cards before they reach the end of the round.

You can also play against the computer, which will give you a more familiar experience. The way to win against the computer is by getting rid of all the cards of the same suit, or by getting rid of all the cards in one of the players' hands.