Sprunki Phase is a fan-created, interactive music mod inspired by the popular music-mixing game Incredibox. The game guides players through various "phases," each with unique characters, sounds, and visual styles, allowing users to create music by combining different character sounds. As players advance through the phases, they experience evolving characters and soundscapes, with each phase offering more complex and visually intense compositions.
Key features include the drag-and-drop interface for mixing sounds, phase progression that unlocks new musical elements, and a community where players can share and explore each other's mixes. Additional phases and features, such as hidden characters and phase-mixing competitions, are frequently added to keep the experience fresh and engaging.