Heuristic Evaluation of a Mobile Game Developed to Help Battle the Pandemic. - Sami Pohjolainen; Juho Mattila; Jarkko Tuovinen; Mikko Rajanen; Leena Arhippainen; Paula Alavesa (CoG, 2021)

Users' Perceptions of Key Blockchain Features in Games. - Iikka Paajala; Jesse Nyyssölä; Juho Mattila; Pasi Karppinen (Future Internet, 2022)