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 Celestial Condition: a game to practice arithmetic operations and computational thinking. In <em>Companion Proceedings of the 23rd Brazilian Symposium on Games and Digital Entertainment</em>, September 30, 2024, Brasil. SBC, Porto Alegre, Brasil, 307-310. DOI: <a href="https://doi.org/10.5753/sbgames_estendido.2024.242958">https://doi.org/10.5753/sbgames_estendido.2024.242958</a>.