Undertale is a unique RPG game for the Nintendo Switch that was released in September 2018. Developed by indie developer Toby Fox, it is known for its quirky characters, engaging storytelling, and the innovative combat system that allows players to negotiate their way out of fights. The game challenges traditional RPG mechanics by giving players the choice to spare or befriend monsters rather than defeat them, which can alter the course of the story. Its pixel art style and chiptune soundtrack have garnered a strong fanbase and critical acclaim. Undertale's genre blends traditional role-playing with bullet hell and puzzle solving elements.