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.

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

Optimization · Practiced Mastery
A slapstick stealth-puzzle game about being a horrible goose.
Brothers: A Tale of Two Sons leans Optimization (Practiced Mastery); Untitled Goose Game leans Optimization (Practiced Mastery).
Brothers: A Tale of Two Sons leans a little harder on execution, though the gap is small.
Brothers: A Tale of Two Sons
Controlling two brothers on one pad takes coordination
Untitled Goose Game
Light stealth timing, forgiving controls.
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
Untitled Goose Game
NPCs follow fixed patterns.
Untitled Goose Game leans a little harder on variance, though the gap is small.
Brothers: A Tale of Two Sons
Fully scripted journey
Untitled Goose Game
Minor randomness in NPC routines.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Brothers: A Tale of Two Sons
Light environmental puzzles with single solutions
Untitled Goose Game
Puzzle list rewards efficient routing.
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.