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

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

Execution · Practiced Mastery
A team shooter where aim and positioning against human opponents controls the map.
Hustle Kings leans Execution (Practiced Mastery); Splatoon 2 leans Execution (Practiced Mastery).
Splatoon 2 leans a little harder on execution, though the gap is small.
Hustle Kings
Precise cue control and power decides shots
Splatoon 2
aim and movement decide ink battles
Splatoon 2 leans a little harder on reads, though the gap is small.
Hustle Kings
Versus pool involves reading opponent's safety play
Splatoon 2
predicting human opponent positioning
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
Splatoon 2
weapon and map rotation randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Hustle Kings
Position play and shot selection are pure strategy
Splatoon 2
loadout and turf strategy solvable
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.