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. 2023 Aug 10;7(10):1753–1766. doi: 10.1038/s41562-023-01669-8

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 1 — The graph on the left shows the density of hours played per gamer: this visualization is based on data from a random subsample of 100 million accounts drawn from dataset 1. The majority of individuals in our dataset played for a total of less than 1 hour during the period in question, as would be expected from a cross-sectional dataset of mobile gameplay⁸³. Due to the heavily log-normal nature of the data distribution, the x axis is log-transformed. The chart on the right shows the total number of hours of playtime in our dataset, split per week. The dashed line represents the implementation of regulations on 1 November 2019.