 Similarly, Chen does not intend for Thatgamecompany to make "big budget blockbuster games", as he believes that the financial pressure would stifle innovation.In "Flow", the player navigates a series of two-dimensional planes with an aquatic microorganism that evolves by consuming other microorganisms.The game's design is based on Chen's research into dynamic difficulty adjustment at the University of Southern California, and on psychologist Mihaly Csikszentmihalyi's theoretical concept of mental immersion or flow.