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 lovingly pixelled aerial adventure where Otus carries gunner friends through floating islands.

Execution · Practiced Mastery
Gentle collect-and-glide platforming with light routing depth.
Owlboy leans Optimization (Practiced Mastery); Spyro the Dragon leans Execution (Practiced Mastery).
Spyro the Dragon leans a little harder on execution, though the gap is small.
Owlboy
Flying and gunner-swapping in light combat
Spyro the Dragon
Gliding and charging need modest precision at most
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Owlboy
Scripted pirates and bosses
Spyro the Dragon
Gnorcs repeat one behaviour forever
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Owlboy
Hand-crafted, deterministic world
Spyro the Dragon
Gem locations are fixed once levels are explored
Owlboy leans a little harder on optimization, though the gap is small.
Owlboy
Boss patterns and secrets are learnable
Spyro the Dragon
Collection routing and glide lines reward light planning
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.