. 2020 Aug 25;8(3):e19914. doi: 10.2196/19914
©Bianca Steiner, Lena Elgert, Birgit Saalfeld, Klaus-Hendrik Wolf. Originally published in JMIR Serious Games (http://games.jmir.org), 25.08.2020.
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Figure 4.
Overview of game mechanics ordered by frequency.