The phosphorescent, indoor landscape at Monster Mini Golf immerses putters in an eerie universe that inverts the sun-soaked cheer of conventional courses. Rimmed in glowing green barriers, 18 holes lure swingers of all sizes to challenge their coordination and resolve in the face of winged monsters, scowling animated trees, a creepy clown, and their opponents' shockingly dazzling smiles. Sheltered from searing rain and howling wind, the indoor course enables play around hazards such as a spell well and luminous, ghostly windmill at any time of the year. An in-house radio station and DJ mask the sound of pounding hearts with lively beats and course commentary, and golfers looking for additional glory can win prizes by participating in regular contests or at the onsite arcade (arcade games not covered by this Groupon).