this study hasn’t only not been peer-reviewed
https://journals.sagepub.com/author-instructions/EVP
- Open Access
Evolutionary Psychology is an open access, peer-reviewed journal. Each article accepted by peer review is made freely available online immediately upon publication, is published under a Creative Commons license and will be hosted online in perpetuity
[…]
4.1 Peer review policy
Following a preliminary triage to eliminate submissions unsuitable for Evolutionary Psychology all papers are sent out for review.
On the subject of video games: