Casino Playbook

Understanding House Edge and Return to Player in Casino Games

What Makes a Casino Game Worth Playing When you sit down at an online slot or place a bet on roulette, the game's design already has a built-in advantage for the casino. That advantage, known as the house edge, is a mathematical certainty that ensures the casino makes money over time. But for players, the more practical number is the return to player (RTP) percentage, which tells you how much of your wagered money you can expect back in the long run. Understanding these tw