head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
Luchador metroidvania mixing brawler combos with demanding color-switch platforming.

Execution · Practiced Mastery
A boss-rush bullet hell testing dodge execution against learnable scripted patterns.
Guacamelee! leans Execution (Practiced Mastery); Itta leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Guacamelee!
Combo brawling and dimension-swap platforming challenges
Itta
Bullet-hell boss patterns demand precise dodging and aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Guacamelee!
Enemies telegraph fixed patterns
Itta
Bosses fire scripted patterns, never adapting
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Guacamelee!
Authored world with no randomness
Itta
Encounters are fixed once seen
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Guacamelee!
Ability routing, combos, and secret hunting
Itta
Learning each boss's pattern is the path to victory
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.