Hobbies Card Games & Gambling HORSE Poker Game Rules -- How to Play a H.O.R.S.E. Poker Game Share PINTEREST Email Print Card Games & Gambling Poker Gambling Strategies & Tips Casinos Sports Gambling Blackjack By Toby Bochan Toby Bochan is a writer, editor, poker teacher and the author of "The Badass Girl's Guide to Poker." our editorial process Toby Bochan Updated June 14, 2017 Definition: In a H.O.R.S.E. poker game or tournament event, the kind of poker played in each round varies -- in this case, the five games are: H : Hold'emO: Omaha R: Razz S: Seven-card Stud highE: Seven-card stud high-low Eight or better, or hi-lo If you are playing a H.O.R.S.E rotation game, the game would change every time the dealer button made a full round. In tournaments, the game changes at the end of each round, or after a set and predetermined amount of time.In 2006, the World Series of Poker introduced a $50,000 buy-in H.O.R.S.E. event, and rotated games after each hour-long round, until the final table, when they switched to no-limit hold'em until the end.