His early work is heavily influenced by chiptune and MIDI music, reflecting the limitations of the software he used and his love for classic video game soundtracks. Themes of remixing and borrowing from other works began early.

Undertale showcases a broader range of genres, including chiptune, orchestral, rock, and jazz. He blends these genres seamlessly to create a unique and emotionally resonant soundtrack, demonstrating his artistic growth and skill.

Deltarune features music with higher production values and more complex arrangements, reflecting his increased resources and experience. The music retains his signature style while exploring new sonic textures and thematic elements.