His work combines research and development of games and simulations, from initial conceptualization, through implementation, piloting, professional development and end-user research. He is the creator of StarLogo TNG, a platform for helping kids create 3D simulations and games using a graphical programming language, as well as several mobile game platforms including location-based Augmented Reality games, and ubiquitous casual games. He also serves as Director of the Education Arcade, and is author of the book "Augmented Learning" and co-author of "Adventures in Modeling".