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
Robot-dinosaur hunting that rewards weak-point study and ranged precision.

Optimization · Practiced Mastery
A retro-styled turn-based RPG about two solstice warriors.
Horizon Zero Dawn leans Execution (Practiced Mastery); Sea of Stars leans Optimization (Practiced Mastery).
Horizon Zero Dawn leans a little harder on execution, though the gap is small.
Horizon Zero Dawn
Bow aiming and dodge timing matter.
Sea of Stars
Timed hits demand input precision.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Horizon Zero Dawn
Machines follow fixed patterns, not adapting.
Sea of Stars
Enemies are scripted.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Horizon Zero Dawn
Some loot and patrol randomness.
Sea of Stars
Light combat randomness.
Sea of Stars leans a little harder on optimization, though the gap is small.
Horizon Zero Dawn
Weak points, traps, builds fully solvable.
Sea of Stars
Combo and resource planning reward optimization.
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.