“…Questionnaires are also applied to look separately, and in more detail, into dimensions that are also part of the GEQ, such as (social) presence of other players [19,159,256], for example, with the Networked Minds Measure [85] or more regarding closeness [255,256], for example, with the Inclusion of Other in the Self scale (IOS) [13], aspects of Flow [159], and (sensory and imaginative) immersion [200], for example, with the Immersion Questionnaire by Jenett et al [106]. 1 There are also other 'GEQs' such as the Game Engagement Questionnaire-revised focusing on wholebody movement by Berthouze et al [27,28] based on the model behind an unpublished (and seemingly no longer retrievable) ' [53]' Game Engagement Questionnaire of Chen et al [54].…”