Time's up: studying leaderboards for engaging punctual behaviour. - João P. Costa; Rina R. Wehbe; James Robb; Lennart E. Nacke (Gamification, 2013)

Understanding expectations with multiple controllers in an augmented reality videogame. - Pejman Mirza-Babaei; Nathan Gale; João P. Costa; Lennart E. Nacke; Daniel M. Johnson 001 (CHI PLAY, 2014)

Developing iconic and semi-iconic game controllers. - Lennart E. Nacke; João P. Costa; Dennis L. Kappen; James Robb; Daniel Buckstein (CHI PLAY, 2014)

Physiological acrophobia evaluation through in vivo exposure in a VR CAVE. - João P. Costa; James Robb; Lennart E. Nacke (GEM, 2014)

An Architecture for Food Product Recommendation Focusing on Nutrients and Price. - Rian das Dores Alves; José Maria N. David; Regina Braga 001; Kennya Beatriz Siqueira; Guilherme Barbosa; João P. Costa; Victor Ströele; Eduardo Barrére (CAiSE Forum, 2022)