Despite her tragic death, Theresa Duncan's work continues to be recognized and celebrated for its artistic merit and innovative approach. Her video games, films, and writings have inspired countless artists and designers. Her unique vision and creative spirit remain influential.

Duncan's success in the male-dominated video game industry paved the way for other female designers, demonstrating that women could excel in this field and bring unique perspectives to game development. Her work has inspired many women to pursue careers in game design and related fields.

Duncan's online writings and digital art continue to be accessible online, allowing new audiences to discover her work and engage with her ideas. Her online presence serves as a testament to her creative spirit and her lasting impact on online culture. Her work remains available on archive sites.