Toprac's research interests are game/simulation, interactive media, mobile, apps, augmented reality (AR) and virtual reality (VR) design and development, particularly for learning and motivation. Previous research has included games to help autistic children learn about facial expressions, a science game for 6th graders, game to empower deaf high school students to overcome daily challenges, location based services, middle school game to help students learn about careers, and advising master's and doctoral students on game-related theses and dissertations.