A Deposit 1 Bonus is a promotional offer provided by online casinos and betting platforms, rewarding new players for their initial deposit. Typically, this bonus matches a percentage of the deposited amount, allowing players to start with extra funds or free spins. For example, a 100% Deposit 1 Bonus means if a player deposits $100, they receive an additional $100 in bonus funds. This incentive enhances the gaming experience, giving players more opportunities to explore games and increase their chances of winning. Always check the terms and conditions to understand wagering requirements and withdrawal limits.