[a] It was operated by a group of four partners who also owned the nearby Holiday Casino (now Harrah's), led by Claudine Williams.

[15] Following its closure, the Nob Hill was remodeled by the Elardi family, who also owned the Frontier hotel-casino on the Strip.

[16] Elardi, the general manager and co-owner of the Frontier,[18][19] purchased the Nob Hill and adjacent hotel for $17 million.

[20] From 1993 to 1995, he renovated the property, expanding the casino to 19,000 square feet (1,800 m2) and adding a parking garage.

[16][23][24] During 1994, the Elardis planned to build a space probe ride behind Casino Royale.

However, the project was scrapped following opposition from the union, as well as nearby resorts, which said the ride would not fit in on the Strip.

[34][35][36] The project also added a White Castle burger restaurant, which opened with great fanfare as the chain's first location in the Western United States.

[32] Timeshare promotions in Las Vegas often give out Casino Royale slot play, to be used at specific machines.

[44] In 2016, Casino Royale opened its BarBook, a sports book and bar with two William Hill betting stations.