The Wm Hotels is in Preah Sihanouk, where you can play the slots. They also have accommodation so you can stay the night if you wish! This venue has an average rating of 4.7 out of 6 reviews, with the lastest ratings being between 3 and 5. The reviews for the Wm Hotels appear to be a bit mixed.
The Wm Hotels does not appear to have any published opening hours, but you may find some more information on their website.