This video explains the Texas Holdem Rules. For the FULL ARTICLE VERSION, please go here. Origin. Poker is undoubtedly the most played card game in the world. There are serveral theories about its origin; it seems to be linked with different English and. Easy-to-understand, step-by-step guide to Texas Hold'em rules! Texas Hold'em is a community card poker game, with game play focused as much on the Poker Hand Ranking · Odd Poker Rules and Situations · Tournament Rules.