This is the Grand Rapids launch party for Stern's latest pinball machine - Jurassic Park! Qualifying times are from 4pm - 7pm. Players are allowed unlimited attempts to put up their best score. After qualifying is done, the top 8 players will face off playing 3 matches per group. The top 2 players from each group will move on to the final 4 where 3 matches will be played to determine the winner.