A gratis bonus casino is a popular incentive offered by online gambling sites. Players can enjoy free bonus money or spins without having to make a deposit. This type of bonus allows players to try out different games and win real money without risking their own funds. Gratis bonus casinos often have specific terms and conditions that players must adhere to. It is important to carefully read and understand the bonus requirements before claiming a gratis bonus at a casino. Overall, a gratis bonus casino can be a great way for players to experience online gambling without financial risk.