Rivers Casino, the busiest riverboat casino in the US state of Illinois, is headed for dry land.

The Illinois Gaming Board granted Rivers the state’s first land-based casino licence at a board meeting last week, enabling the Des Plaines facility to move its gambling operation beyond the shallow pool of water it built to qualify as a riverboat.

Rivers plans to add 120 gaming positions - everything from slot machines to table games - to parts of the facility not located above water in the next few weeks. That represents a 10 per cent increase in the 1,200 current gaming positions at the casino.