Junk-Food Destroyer: Helping Adolescents with Down Syndrome to Understand Healthy Eating through Serious Game. - Paul D. Hatzigiannakoglou (VS-GAMES, 2015)

An Accessible Keyboard for Android Devices as a Means for Promoting Braille Literacy. - Paul D. Hatzigiannakoglou; Maria T. Kampouraki (Int. J. Interact. Mob. Technol., 2016)

Design and Evaluation of a Virtual-Reality Braille Writer-Simulator. - Paul D. Hatzigiannakoglou; Evangelia Chytopoulou (IMCL, 2017)

Development of an Auditory Rehabilitation Tool for children with Cochlear Implants through a Mobile-Based VR and AR serious game. - Paul D. Hatzigiannakoglou; Areti Okalidou (Int. J. Online Biomed. Eng., 2019)

Open-ended Simulation 3D Game as a Tool for Speech Therapy Intervention. - Paul D. Hatzigiannakoglou; Areti Okalidou; Voula C. Georgopoulos (Int. J. Online Biomed. Eng., 2024)