. "Let me start my review with an accurate description of just what in the hell the \"Sigma Derby\" is. It's a casino multi-player gaming machine, much like a virtual black jack, except this one is REALLY old. It's located at the MGM Grand casino and the machine is super hard to find, it's low profile and hidden in a sea of loud glowing slot machines. I had to ask a security guard to walk me to it because I couldn't find the damn thing, but I digress ... Here's how you play: you bet on a wining combination of toy horses racing on a mechanical track, you can't bet on just one horse to win. For every race there's new odds for each combo and there's a count down clock that gives you about 30 second to place your bet. The minimum bet is 25 cents and it's quarters only. \n\nThis game is good fun, easy to play, and dirt cheap, so guess what, it's crazy popular. I was alone on the machine before noon on a summer Saturday but when I came back after lunch, it was fully crowded.\n\nBottom line, this is a hidden vegas treasure, tip your cocktail waitress and let the MGM know how much the machine!"^^ . . "2015-07-12T00:00:00"^^ . "0"^^ . . "0"^^ . "1"^^ . "4"^^ .