Splatoon 2 is a 2017 third-person shooter game developed and published by Nintendo for the Nintendo Switch. It was released on July 21, 2017, and is a direct sequel to Splatoon, which includes a new story-driven single-player mode and various online multiplayer modes. An expansion pack for the single-player mode titled Octo Expansion was subsequently released as downloadable content (DLC) on June 13, 2018.