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

Optimization · Practiced Mastery
A wordless fairy-tale adventure controlled with one stick per brother.

Optimization · Practiced Mastery
A forgiving fantasy RPG testing light build and morality-system optimization.
Brothers: A Tale of Two Sons leans Optimization (Practiced Mastery); Fable: The Lost Chapters 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.
Brothers: A Tale of Two Sons
Controlling two brothers on one pad takes coordination
Fable: The Lost Chapters
Forgiving combat needs little precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Brothers: A Tale of Two Sons
No opponent
Fable: The Lost Chapters
Enemies and villagers run simple scripts
Fable: The Lost Chapters leans a little harder on variance, though the gap is small.
Brothers: A Tale of Two Sons
Fully scripted journey
Fable: The Lost Chapters
The authored world holds few surprises after one pass
Fable: The Lost Chapters leans a little harder on optimization, though the gap is small.
Brothers: A Tale of Two Sons
Light environmental puzzles with single solutions
Fable: The Lost Chapters
Alignment, builds and economy are a gentle solvable layer
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.