Slot machines - Slot machines are the most popular casino game worldwide, offering a range of themes, features, and jackpots. Blackjack - Also known as 21, blackjack is a classic casino game that involves skill and strategy.

Blackjack has the best odds of winning, with a house edge of just 1 percent in most casinos, Bean said. Plus, you are playing against only the dealer, not hooded poker champions.