Shaker, Noor, Mohammad Shaker, and Julian Togelius. “Ropossum: An Authoring Tool for Designing, Optimizing and Solving Cut the Rope Levels”. Proceedings of the AAAI Conference on Artificial Intelligence and Interactive Digital Entertainment 9, no. 1 (October 19, 2013): 215–216. Accessed May 8, 2026. https://ojs.aaai.org/index.php/AIIDE/article/view/12611.