E. Gadd's Contraption Conception is a game starring Professor E. Gadd, where the player is capable of creating their own inventions. The game is currently being developed by Amuza as an e-shop exclusive title for the Nintendo 3DS. The game features similar gameplay to Banjo-Kazooie: Nuts & Bolts, where players create inventions and use them to solve puzzles to advance through the game.