Duncan started making experimental short films and contributing to zines, showcasing her emerging artistic voice. She experimented with themes of feminism, pop culture, and personal experiences, which helped shape her distinctive style and approach.

Duncan shifted her focus to multimedia art and website design, reflecting the rise of the internet and the increasing possibilities for digital creativity. She used the web to explore interactive storytelling and experiment with blending different media formats.

Duncan achieved significant recognition for her work in designing children's video games. She collaborated with graphic designer Monica Lynn to create games that were praised for their unique artistic style, positive messages, and educational content.