The best game to learn if you want to have a long term chance of beating the house is live Poker. Poker players are not playing against the house, they are playing against each other. The casino takes a "rake" (percentage) of the pot instead of holding an casino
edge like other casino games. Poker odds can be very different depending on the type of poker game. There are dozens of variations on the standard game of poker. Draw Poker, Stud Poker, Low Ball, High-Low Split to name just a few. Make sure you fully understand the odds and variations of the exact game you are playing before you sit down at the table.