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 · Pure Optimization
Co-op physics puzzles solved by combining four characters' distinct powers.

Optimization · Practiced Mastery
A co-op yarn puzzle-platformer where two tethered characters solve levels together.
Tiny Brains leans Optimization (Pure Optimization); Unravel Two leans Optimization (Practiced Mastery).
Unravel Two leans a little harder on execution, though the gap is small.
Tiny Brains
Light physics handling, occasionally timed sections
Unravel Two
Light platforming plus two-character swing coordination
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Tiny Brains
No adversary - the puzzle is the opponent
Unravel Two
No adaptive opposition, co-op only
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Tiny Brains
Puzzle rooms are fixed once seen
Unravel Two
Fixed levels, fully visible
Tiny Brains leans a little harder on optimization, though the gap is small.
Tiny Brains
Combining four powers into solutions is the whole test
Unravel Two
Puzzles solved by routing two yarn characters together
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.