head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A storybook underwater metroidvania about a girl piloting a homemade submarine to find her father.

Optimization · Practiced Mastery
A narrative action RPG where build planning matters more than reflex execution.
Song of the Deep leans Optimization (Practiced Mastery); The Witcher 3: Wild Hunt leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Song of the Deep
Gentle submarine handling and claw manipulation
The Witcher 3: Wild Hunt
Combat timing matters but generous dodges forgive sloppy play.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Song of the Deep
Scripted sea creatures
The Witcher 3: Wild Hunt
Enemies use fixed AI behaviours; no adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Song of the Deep
Unknown undersea map first dive
The Witcher 3: Wild Hunt
Loot rolls and minor combat variance only.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Song of the Deep
Environmental puzzles and upgrade routing carry the game
The Witcher 3: Wild Hunt
Builds, alchemy, and quest routing reward planning.
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.