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.

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

Execution · Pure Mechanics
Memorising punishing fixed stages and executing precise run-and-gun inputs.
Guacamelee! leans Execution (Practiced Mastery); Journey to Silius leans Execution (Pure Mechanics).
Journey to Silius leans a little harder on execution, though the gap is small.
Guacamelee!
Combo brawling and dimension-swap platforming challenges
Journey to Silius
Precise jumps and dodges under NES-hard pressure define it
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
Journey to Silius
Every enemy and boss is rigidly scripted
Guacamelee! leans a little harder on variance, though the gap is small.
Guacamelee!
Authored world with no randomness
Journey to Silius
Identical layouts and spawns every attempt
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
Journey to Silius
Weapon-energy budgeting and pattern memorisation make clears possible
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.