It may possibly have been devised in America during the 1940s by Italian immigrants by adapting the game Scala Quaranta to Gin rummy.

[citation needed] It is usually played for small stakes[1] Two 52-card decks are used plus four Jokers comprising 108 cards.

This stops the current hand and players lay down their cards and add up their points.

If a player hits "gin" for the 1st three consecutive hands to begin a game, they automatically win.

A player who draws a 7 card straight flush or 7 of a kind, announces "rumino".