In Oklahoma, the legal gambling age varies depending on the type of gaming. For casinos, players must be at least 21 years old to participate in table games and slot machines. However, those aged 18 and older can engage in certain activities, such as playing bingo and participating in lottery games. It's essential for residents and visitors to be aware of these age restrictions to ensure a responsible and enjoyable gaming experience. Always check specific venue policies, as they may have additional requirements.