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. Official Texas Hold em rules by betweenhorizons.de Learn how to play Texas Holdem Poker, the most popular game of them all and start playing online today!. 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.