Other variations include card games that include data about specific topics. Safari Pals packs include animal data on each card so that trump style games can be played in addition to other traditional game variations included Rummy, Quartets (card game) and Go Fish. The Royal Society of Chemistry has produced a pack of Visual Elements Trumps, using element data for play. Outset Media released a themed version for animal poop called "Dung Deck" where players can battle statistics for frequency, hardness, length, width, smelliness, and yuck factor of an animals' 'business'.