A no deposit bonus for existing players is a promotional offer provided by online casinos to reward loyal customers without requiring an initial deposit. This incentive allows players to explore new games or enhance their gaming experience using bonus funds or free spins. Typically, these bonuses come with specific terms and conditions, such as wagering requirements and expiration dates. By offering no deposit bonuses, casinos aim to boost player retention and engagement, making it an attractive option for those looking to maximize their gaming potential without financial commitment.