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 lombax and his robot blast through planets in a weapons-driven platformer.

Optimization · Practiced Mastery
A gentle physics puzzle-platformer starring a creature made of unraveling yarn.
Ratchet & Clank leans Optimization (Practiced Mastery); Unravel leans Optimization (Practiced Mastery).
Ratchet & Clank leans a little harder on execution, though the gap is small.
Ratchet & Clank
Platforming, strafing, and weapon aim against scripted enemies.
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.
Ratchet & Clank
No adaptive opponent anywhere.
Unravel
No opponent
Ratchet & Clank leans a little harder on variance, though the gap is small.
Ratchet & Clank
Unknown level layouts on first pass only.
Unravel
Everything is visible and fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ratchet & Clank
Bolt economy, weapon choice, and route knowledge dominate.
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.