Duppstadt is a fundamentally sound playmaker with an excellent feel for the game and the ability to consistently find moving cutters with his vision and passing accuracy. He made the most of his opportunities at the foul line and showed confidence stepping into catch-and-shoot three-pointers, making defenses pay whenever they left him open on the perimeter. Defensively, he displayed tremendous effort by tracking down opponents in transition and preventing easy fast-break points with timely hustle plays. His combination of court vision, perimeter shooting, and defensive awareness allows him to impact winning in a variety of ways, making him a valuable all-around contributor.