Casino deposit bonus codes are promotional offers that online casinos provide to attract new players and reward existing ones. By entering a specific code during the deposit process, players can unlock various bonuses, such as extra cash, free spins, or enhanced deposit matches. These codes often come with terms and conditions, including wagering requirements and expiration dates, so it's essential to read the fine print. Utilizing these bonuses can significantly enhance the gaming experience, providing more opportunities to win while exploring a casino's offerings.