"It Started as a Joke": On the Design of Idle Games. - Katta Spiel; Sultan A. Alharthi; Andrew Jian-lan Cen; Jessica Hammer; Lennart E. Nacke; Phoebe O. Toups Dugas; Tess Tanenbaum (CHI PLAY, 2019)

"I Don't Fit into a Single Type": A Trait Model and Scale of Game Playing Preferences. - Gustavo Fortes Tondello; Karina Arrambide; Giovanni Ribeiro; Andrew Jian-lan Cen; Lennart E. Nacke (INTERACT (2), 2019)

Better, Funner, Stronger: A Gameful Approach to Nudge People into Making Less Predictable Graphical Password Choices. - George E. Raptis; Christina P. Katsini; Andrew Jian-lan Cen; Nalin Asanka Gamagedara Arachchilage; Lennart E. Nacke (CHI, 2021)

Eye-GUAna: Higher Gaze-Based Entropy and Increased Password Space in Graphical User Authentication Through Gamification. - Christina P. Katsini; George E. Raptis; Andrew Jian-lan Cen; Nalin Asanka Gamagedara Arachchilage; Lennart E. Nacke (ETRA Short Papers, 2021)