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

Execution · Pure Mechanics
Spectacle hack-and-slash where reflexes and combo flow drive every fight.

Execution · Pure Mechanics
Combo execution and dodge timing through scripted grindhouse brawls.
God of War III leans Execution (Pure Mechanics); Shank leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
God of War III
Combo execution and QTE timing carry combat.
Shank
Combo juggling and dodge timing carry every brawl
God of War III leans a little harder on reads, though the gap is small.
God of War III
Bosses fully scripted spectacle.
Shank
Enemies and bosses attack on fixed patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
God of War III
Almost no randomness.
Shank
Hand-built levels with no randomness
God of War III leans a little harder on optimization, though the gap is small.
God of War III
Upgrade paths short and obvious.
Shank
Weapon-swap combo routing rewards some lab work
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.