In 2021, many online casinos offered enticing $500 no deposit bonus codes to attract new players. These bonuses allowed users to explore a variety of games without risking their own money, providing a risk-free opportunity to win real cash. Players could simply enter the bonus code during registration to claim their reward. However, it was essential to read the terms and conditions, as wagering requirements and game restrictions often applied. Overall, these promotions were a popular way for casinos to enhance player engagement and expand their customer base.