Texas Hold ' Em, also known as just plain “ Holdem,” is a popular variation of standard poker. Meant for two to nine players, Holdem dates back to the early s. How to Play Texas Hold ' em Poker: step-by-step learn the most popular of all poker variations. All of the marquee tours around the world are played this variation. Texas Hold ' Em is the version of poker played in many casinos and seen in major televised tournaments. These are the basic rules for Texas.