Wet 'n Wild Las Vegas Home Wet 'n Wild Las Vegas Your experiences Sign in to track your experiences. Attractions Black Hole Der Stuka Hydro Blaster Royal Flush May 18, 1985 Wet 'n Wild Las Vegas Park Opened Opened 1992 Black Hole Water Slide Opened 1998 Royal Flush Water Slide Sep 26, 2004 Wet 'n Wild Las Vegas Park Closed