Casino bonus refers to the promotional offers provided by online casinos to attract new players and retain existing ones. These bonuses can come in various forms such as welcome bonuses, free spins, and deposit matches. Players often take advantage of these offers to increase their bankroll and extend their gameplay. Understanding the terms and conditions associated with casino bonuses is essential, as they usually include wagering requirements that must be met before withdrawing any winnings. Overall, casino bonuses enhance the gaming experience by providing additional opportunities to win.