Okla. Stat. tit. 68, § 1511

The fee herein levied is the exclusive fee to be imposed by the state, and is in lieu of all taxes upon coin-operated devices, except ad valorem taxes and municipal license fees except as otherwise provided by Sections 1509.1 through 1509.4 of this title. It is further provided that cities, municipalities and towns are authorized to levy a license or occupation tax upon coin-operated devices, or persons operating the same, or premises where same are located, in an amount not in excess of seventy-five percent (75%) of the fee hereby imposed.