C.R.S. § 44-30-818

(1) Specific rules for blackjack, poker, craps, roulette, and such other games as are approved by the voters of Central, Black Hawk, or Cripple Creek at a local election held in each city to control the conduct of gaming in that jurisdiction shall be approved by the commission and clearly posted within plain view of the games. (2) A licensee shall not offer poker, blackjack, craps, or roulette, or any variation game of poker, blackjack, craps, or roulette, without prior approval of the game by the commission, except as specifically authorized in the commission’s rules regarding field trials of new games or technology. (3) No licensee shall employ shills.