In the game of Oh Hell, you play against your friends or against a computer. You can play with one, two, or three people. The game is based on predicting the outcome of the next round, based on the cards that have already been dealt.

If you are playing with one or two people, you can also play in a "tournament" mode, where you can choose how many rounds you want to play, and which rounds you want to play. In this mode, you can also choose between different round types, such as "Double Deck", "Single Deck", and "Jamboree".

You can add players to the game by entering their names in the "Player List" screen. You can also choose to have the app speak your name while you are playing.