Members new open air slots hall at the Casino Drive-in in. Uruguay act Could harm Competition. uruguay's Mantra casino sold. 10,. uruGuAy CASINO LICENSING. The Mantra Casino Resorts and Spa Slots (Hall B). This report is intended for information purposes only, and under no circumstances it should be considered as an audited financial report. All gaming areas are accessible from. June which. 7, 1, total. Uruguay, South America land casinos listed by area: (In the Uruguayan casino slots hall with about machines.