head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Practiced Mastery
A pool simulation about precise cue control and strategic position play.

Execution · Competitive PvP
Shot timing and play-calling against opponents who scheme around your habits.
Hustle Kings leans Execution (Practiced Mastery); NBA 2K16 leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Hustle Kings
Precise cue control and power decides shots
NBA 2K16
Shot-stick timing and dribble moves gate every possession
NBA 2K16 leans a little harder on reads, though the gap is small.
Hustle Kings
Versus pool involves reading opponent's safety play
NBA 2K16
Online opponents adjust defensive schemes against your tendencies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Hustle Kings
Physics are deterministic; little randomness
NBA 2K16
Shot RNG and card packs add bounded randomness
Hustle Kings leans a little harder on optimization, though the gap is small.
Hustle Kings
Position play and shot selection are pure strategy
NBA 2K16
Playbooks, rotations and roster building reward deep study
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.