A free play bonus is a popular type of casino promotion. It allows players to enjoy free credits to use on various games. This bonus is often given to new players as a way to entice them to try out the casino. Free play bonuses usually come with specific terms and conditions that must be met. Players should always read the fine print before claiming a free play bonus. Overall, free play bonuses can be a fun and risk-free way to explore different games at an online casino.