Twins Eight and Nine now have their memories back and have escaped to the surface. However, they're now apart in the Memverse, a virtual recreation of Inkopolis Square. Eight's trying to escape the tower and save Agent 4 of the New Squidbeak Splatoon from succumbing to Order. Nine's trying to save his sister with the help of Off The Hook and Dedf1sh, AKA Acht. Will they see each other again? And who exactly is Order?
Released simultaneously with Splatoon 3: Return Of The Mammalians (2037).