Approaches to Computer Game Design. - Petri Lankoski; Satu Heliö (CGDC Conf., 2002)

Characters in Computer Games: Toward Understanding Interpretation and Design. - Petri Lankoski; Satu Heliö; Inger Ekman (DiGRA Conference, 2003)

A case study in pervasive game design: the songs of north. - Petri Lankoski; Satu Heliö; Jani Nummela; Jussi Lahti; Frans Mäyrä; Laura Ermi (NordiCHI, 2004)

Simulating the Storytelling Qualities of Life: Telling Stories with the Sims. - Satu Heliö (DiGRA Conference, 2005)