A systematic review of quantitative studies on the enjoyment of digital entertainment games. - Elisa D. Mekler; Julia Ayumi Bopp; Alexandre N. Tuch; Klaus Opwis (CHI, 2014)

"It Was Sad But Still Good": Gratifications of Emotionally Moving Game Experiences. - Julia Ayumi Bopp; Elisa D. Mekler; Klaus Opwis (CHI Extended Abstracts, 2015)

Negative Emotion, Positive Experience?: Emotionally Moving Moments in Digital Games. - Julia Ayumi Bopp; Elisa D. Mekler; Klaus Opwis (CHI, 2016)

Citizen Science, Gamification, and Virtual Reality for Cognitive Research. - Jana Jarecki; Jacob Friis Sherson; Juho Hamari; Julia Ayumi Bopp; Julian Jarecki; Libby Heaney; Sharon T. Steinemann; Pinja Haikka; Carsten Bergenholtz (CogSci, 2017)

"An Odd Kind of Pleasure": Differentiating Emotional Challenge in Digital Games. - Julia Ayumi Bopp; Klaus Opwis; Elisa D. Mekler (CHI, 2018)

"A Game that Makes You Question...": Exploring the Role of Reflection for the Player Experience. - Elisa D. Mekler; Ioanna Iacovides; Julia Ayumi Bopp (CHI PLAY, 2018)

Does a prosocial decision in video games lead to increased prosocial real-life behavior? The impact of reward and reasoning. - Glena Helen Iten; Julia Ayumi Bopp; Clemens Steiner; Klaus Opwis; Elisa D. Mekler (Comput. Hum. Behav., 2018)

Exploring Emotional Attachment to Game Characters. - Julia Ayumi Bopp; Livia J. Müller; Lena Fanya Aeschbach; Klaus Opwis; Elisa D. Mekler (CHI PLAY, 2019)

The Curious Case of the Transdiegetic Cow, or a Mission to Foster Other-Oriented Empathy Through Virtual Reality. - Martijn J. L. Kors; Erik D. Van der Spek; Julia Ayumi Bopp; Karel Millenaar; Rutger L. van Teutem; Gabriele Ferri 001; Ben A. M. Schouten (CHI, 2020)

"Whatever the Emotional Experience, It's Up to Them": Insights from Designers of Emotionally Impactful Games. - Alena Denisova; Julia Ayumi Bopp; Thuy Duong Nguyen; Elisa D. Mekler (CHI, 2021)

"My Soul Got a Little Bit Cleaner": Art Experience in Videogames. - Julia Ayumi Bopp; Jan B. Vornhagen; Elisa D. Mekler (Proc. ACM Hum. Comput. Interact., 2021)