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

Optimization · Practiced Mastery
A family-friendly open-world driving adventure romping through Springfield's mystery of cameras and cola.

Optimization · Practiced Mastery
A gentle physics puzzle-platformer starring a creature made of unraveling yarn.
The Simpsons: Hit & Run leans Optimization (Practiced Mastery); Unravel 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.
The Simpsons: Hit & Run
Forgiving driving and light platforming
Unravel
Gentle platforming and yarn-swing timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Simpsons: Hit & Run
No adaptive opposition exists
Unravel
No opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Simpsons: Hit & Run
Fixed missions with trivial traffic noise
Unravel
Everything is visible and fixed
Unravel leans a little harder on optimization, though the gap is small.
The Simpsons: Hit & Run
Mission routes, shortcuts, and collectible runs are solvable
Unravel
Physics puzzles with discoverable intended solutions
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.