Neptunian Maximalism is the name of a contemporary experimental music project associated with dense, layered electronic compositions that draw on elements of ambient, noise, and avant-garde pop. Originating in the United States, the project is linked with the independent and underground experimental scenes and became active in the 2010s. Its work is characterized by richly textured soundscapes, heavy use of synthesis and sampling, and a maximalist aesthetic that emphasizes sonic saturation and complex arrangements. Performances and recordings often blur boundaries between song structures and abstract electronic collage, reflecting an exploratory approach to timbre and production.