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. 2020 Dec 14;8(4):e22007. doi: 10.2196/22007

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©Yen-Fu Chen, Sylvia Janicki. Originally published in JMIR Serious Games (http://games.jmir.org), 14.12.2020.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Serious Games, is properly cited. The complete bibliographic information, a link to the original publication on http://games.jmir.org, as well as this copyright and license information must be included.

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The three-dimensional object of one of the nostalgic artifacts, an automatic cooker and steamer, is presented on the screen of a mobile device when the pattern of the puzzle tiles is assembled correctly.