quart slotHere are some of the most popular quarter slot games: Avalon – this is a 5-reel, 20-pay slot game, which is based on the popular legend of King Arthur. In fact, it became so popular that a sequel Avalon II was born. The maximum coinProduct code, TQTMGT. Pot Shape, Round. Tag Slot(s), Yes. Diameter (inches), 4.75. Depth (inches), 5.27. Max liquid volume (U.S. metric), 1.02 qt 0.97 L.