Omaha poker is a very popular online poker version. Of course, after holdem poker, Omaha is the most attractive online poker version, even more attractive than stud and draw poker. All of us can check that by just visiting any online poker site in which we will see that holdem poker tables are the most visited tables followed by Omaha tables.
However, a few people know that Omaha is a special holdem poker version which instead of giving two cards to each player, four cards are given two of which should be used, keeping the number of communal cards as well as those to be used. So, there are five communal cards and up to three of them should be used.
In addition to the current Omaha poker version, there is an alternative Omaha version called hi/lo in which the best and the worst hand share the pot in halves.