Mystery P.I. Portrait of a Thief - Nintendo DS Enjoy a rich character-driven story written exclusively for Nintendo DS. Find over 1,600 objects in 70 seek-and-solve puzzles within 18 locations. Test your skills in 4 stylus-based mini-games, with high-score leaderboards. Keep track of suspects and clues in your case log. Collect bonus objects and unlock two modes of unlimited play. Enjoy a rich character-driven story written exclusively for Nintendo DS. Find over 1,600 objects in 70 seek-and-solve puzzles within 18 locations. Test your skills in 4 stylus-based mini-games, with high-score leaderboards. Keep track of suspects and clues in your case log. Collect bonus objects and unlock two modes of unlimited play.