Electroplankton is a unique music-themed video game developed and published by Nintendo for the Nintendo DS, and was released in 2005. The game features a variety of aquatic organisms called electroplankton that players can interact with to create music and sounds. Unlike typical games, Electroplankton does not have set goals or scores; instead, it serves as an interactive digital audio toy designed to allow players to experience the joy of creation and discovery through sound manipulation. It spans genres like experimental music and simulation.