A casino bonus is a promotional offer provided by online casinos to attract new players. It is a way for players to receive extra funds or spins to play with. Casino bonuses come in various forms, such as welcome bonuses, no deposit bonuses, and free spins. Players should always carefully read the terms and conditions associated with casino bonuses. Understanding the wagering requirements and expiration dates is crucial to make the most of a casino bonus. Overall, casino bonuses can enhance the gaming experience and provide more opportunities to win.