The following steps are repeated for each round: After the one card round an additionally card is dealt each round until there are 10 cards dealt. Ten cards are initially dealt and then one less each consecutive round until only one card is being dealt. The number of cards dealt to each player is determined by the round. There is a total of 19 rounds in the game. The aim of the game is to score more points than your opponent.
It is a close cousin to the game Oh Hell and has varying rules depending on where it is played. Played with a full deck of standard playing cards without any Jokers. Oh Shit is a classic trick winning card game.