The Handling of Personal Information in Mobile Games. - Stefan Brückner; Yukiko Sato; Shuichi Kurabayashi; Ikumi Waragai (ACE, 2017)

Exploring Cultural Differences in Game Reception: JRPGs in Germany and Japan. - Stefan Brückner; Yukiko Sato; Shuichi Kurabayashi; Ikumi Waragai (Trans. Digit. Games Res. Assoc., 2019)

An Empirical Taxonomy of Monetized Random Reward Mechanisms in Games. - Yukiko Sato; Stefan Brückner; Shuichi Kurabayashi; Ikumi Waragai (DiGRA, 2020)

Cross-regional analysis of RRM design and implementation in mobile games by developers in China, the EU, Japan, and the USA. - Yukiko Sato; Stefan Brückner; Jin Michael Splichal; Ikumi Waragai; Shuichi Kurabayashi (Entertain. Comput., 2024)