Umberlight: Shadow Theatre Original game code, interface, authored stories and projection logic. MIT. Four original materials generated with OpenAI GPT image model: paper theatre card, hammered brass, teal enamel, sienna wood. Cropped and optimized as local WebP images; no external or upstream art used. Research inspiration ONLY: ShadowDraw: From Any Object to Shadow-Drawing Compositional Art, Rundong Luo, Noah Snavely, Wei-Chiu Ma, CVPR 2026. https://news.cornell.edu/stories/2026/06/computer-framework-generates-shadow-art-scan-object https://github.com/Red-Fairy/ShadowDraw Observed 31 stars November 10, 2026; repository pushed May 4, 2026, latest default-branch commit December 5, 2025. No license declared. NO research source code, models, datasets, images or other assets copied or incorporated. This is an original fictional puzzle using elementary point-light planar projection, not the ShadowDraw model or a scientific replica. Original fallback after maintained popular GitHub candidates duplicated the live catalog, needed unsupported infrastructure, or lacked redistribution rights.