Go Fish - Outrageous Facts. The Purple Cow "Go Fish" is a fun and easy to play card game also known as Quartet, Foursomes and Trumps around the world - detailed instructions inside. By playing our "Go Fish" series, children will learn all about the greatest explorers in human history - Columbus, Magellan, Vasco da Gama and many others. After playing this game, these will no longer be just names!