- Physio - pleasures of the body and derived from the sensory organs.
- Socio - the enjoyment derived from relationships with others.
- Psycho - pleasure pertaining to people’s cognitive and emotional reactions.
- Ideo - pleasure from or relating to a person's values.
As explained in the talk, these four categories of pleasure can be helpful in explaining the joy derived from games ranging from Candy Crush Saga to Call of Duty: Ghosts to Demon's Souls.