Modern games give you participation XP. CS 1.6 gives you nothing but a ragdoll and the sound of a helmet ping. That ping is the "update." It is the purest form of extrinsic reward left in gaming.
In many foundational papers on dopamine and addiction, reference is a classic study (often by Volkow or Schultz) showing that dopamine neurons stop responding to a primary reward and instead respond to a Conditioned Stimulus (CS) once an animal is trained. cs 16 dopamine updated
The "CS 1.6 Dopamine Update" isn't a file you download. It’s a realization. In a world of Skinner boxes and predatory engagement metrics, the 21-year-old shooter is the ultimate . Modern games give you participation XP