My buddy used to sneak in when he was about 15 when it first opened. Now he is horribly addicted. If u got money your welcome!!!!!
21 or older if your looking for 18 and older I think the hardrock is still 18 and older
Families are welcome at River Spirit restaurants! Restaurants and other non-gaming areas of the facility are accessible to guests under the age of 21, when accompanied by an adult. Access to the casino floor remains restricted to guests 21 years of age and older.
21 years old to gamble
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