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

Execution · Pure Mechanics
A 2D brawler testing counter timing and combo execution against scripted waves.
Guacamelee! leans Execution (Practiced Mastery); Shank 2 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.
Guacamelee!
Combo brawling and dimension-swap platforming challenges
Shank 2
Combo juggling, counters and dodge timing carry every brawl
Shank 2 leans a little harder on reads, though the gap is small.
Guacamelee!
Enemies telegraph fixed patterns
Shank 2
Enemies telegraph fixed attacks; survival co-op stays scripted
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
Shank 2
Encounters are deterministic set pieces
Guacamelee! leans a little harder on optimization, though the gap is small.
Guacamelee!
Ability routing, combos, and secret hunting
Shank 2
Weapon synergies and crowd-priority knowledge add depth
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.