Poptank
Poptank began as my Parsons thesis on using a real guitar as a game controller. Its interface responds to notes and timing while helping the player learn a song.
The recovered screens show how the idea expanded beyond the moment of play. Song selection, menus, progress, scores, achievements, and social features gave a player a reason to return and made practice visible over time.
Three related U.S. patent grants name me as inventor of interactive guitar-game systems and list Ubisoft Entertainment as assignee. The grants document the guitar-game work behind this project.



Three related U.S. patent grants name Joseph Charles Epstein as inventor, with Ubisoft Entertainment as assignee.