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Research Article Volume 12 Issue 3
Optimal solutions for lightbot junior version and new map designs
Songming Hou, Jianning Su, Yin Sun
Received: September 18, 2026 | Published: October 1, 2026
Citation: Hou S, Su J, Sun Y. Optimal solutions for lightbot junior version and new map designss. Int Rob Auto J. 2026;12(3):122-124. DOI: 10.15406/iratj.2026.12.00324
Abstract
Lightbot is an interesting game app that has strong educational purpose to guide kids at young age to learn programming skills. It has a free version named Lightbot Code Hour consisting of 20 levels and a paid version with 50 levels that we studied in the past. It also has a junior version with 42 levels for young kids. Although it is not hard to solve the puzzles, finding the optimal solutions with the smallest number of blocks is non-trivial for some levels. In this paper, we provide a complete list of the block numbers for optimal solutions in the junior version, as well as the detailed analysis of all the non-trivial levels. The overall optimal number for 5 stages is found to be 361. We also make new map designs to create complicated solutions with many periods.
Keywords: lightbot, optimal solution, periodicity
©2026 Hou, et al. This is an open access article distributed under the terms of the, which permits unrestricted use, distribution, and build upon your work non-commercially.