A casino bonus code is a special alphanumeric code that players can use to unlock various promotions and bonuses at online casinos. These codes often provide benefits such as free spins, deposit matches, or no-deposit bonuses, enhancing the gaming experience and increasing winning potential. To redeem a bonus code, players typically enter it during the registration process or when making a deposit. It's essential to read the terms and conditions associated with each code, as they may come with wagering requirements and expiration dates. Utilizing bonus codes can significantly boost your bankroll and extend your playtime.