PQ Practical Intelligence Quotient 2 - Sony PSP Calculates intelligence based on the number of moves and the speed you use to solve 250 puzzles Players create their own puzzles and share with friends with the gamesharing mode Infrastructure mode to upload puzzles and download new ones Flexible gameplay - choose which puzzles to play first and get a preliminary PQ score in roughly 10 minutes Play through the full puzzle set, including 10 unlockable puzzles, for their full PQ score