Each player has a hand of cards. There is a showdown in which these hands are exposed and compared to see which is the best, according to some criteria. Sometimes players have an opportunity to improve their hands by discarding and drawing new cards before the comparison, but apart from this there is no actual card play. For this reason David Parlett calls these Null Games.
Some further games that end with a showdown will be found classified in the following groups:
The Swedish game Chicago includes two showdowns between the players before the final trick-taking phase.