A 200% casino bonus is an enticing promotion offered by online casinos, allowing players to triple their initial deposit. For instance, if you deposit $100, the casino adds an additional $200, giving you a total of $300 to play with. This bonus enhances your gaming experience, providing more opportunities to explore various games and increase your chances of winning. However, it's essential to read the terms and conditions, as wagering requirements and game restrictions may apply. Overall, a 200% bonus can significantly boost your bankroll and extend your playtime.