When it comes to Omaha poker, there are different sub-variants out there, each with its specificities and dedicated players base. Like most poker games, the basics of Omaha poker are the same as those in Texas hold'em - meaning that if you know how to play one, you are in a good spot to play the other. Part of the game's success has to do with its rules. Some go as far as to say that Omaha poker (PLO, specifically) it's on a trajectory to surpass Texas hold'em and become the most played game in the world.
In the past 10 years or so, Omaha poker became one of the most popular poker variants.
The more you play poker, the more you keep hearing how Omaha poker is the game to play to get the best action and challenge the best players.