If a pattern is noise (too chaotic), the brain can't find the logic. This leads to frustration and "quitting." Examples: Poorly explained tutorials or unfair RNG. 3. The Flow State The "Sweet Spot" between boredom and anxiety.
What makes Koster’s work so powerful is its application outside of digital screens. The "Theory of Fun for Game Design" explains human behavior in everything from sports to board games to corporate training. Theory Of Fun For Game Design