Halloween Costume Mash at Blue Lake Casino tonight. It's a pre-Halloween party and costume contest in Wave Lounge with Nighthawk and guest, radio DJ's Larry Trask, Dr. Syd Reagan III and Chuck Rogers will judge the best costumes. NightHawk will play all their spooky cover, dance songs. Best Scary, Sexy and or Group costumes are eligible to win $200 in cash and a free hotel room. No face paint please. Do the monster mash and win some cash!