108 electronically changing contours automatically created by a patented breakthrough technology. ~ Patented sensor system keeps score of every 1-, 2-, or 3-putt for up to 4 players on any number of holes ~ Six 18-hole courses on three skill levels (2 Amateur and 2 Pro and 2 Championship) ~ Finest, most true-to-life putting surface rolls at a 9.5 stimpmeter ~ Authentic Game Mode or Challenging Practice Green Mode ~ Voice/sound system announces player's turn, hole number, penalty strokes, average putts per player and even cheers for a hole-in-one or teases for a 3-putt ~ Automatic ball return rolls the ball right to your feet after every putt