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
The NES classic that introduced Kirby's copy abilities across a colourful, secret-stuffed Dream Land.

Execution · Practiced Mastery
Classic collectathon platformer sending Buzz through toy-scaled levels for Pizza Planet tokens.
Kirby's Adventure leans Execution (Practiced Mastery); Toy Story 2: Buzz Lightyear to the Rescue 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.
Kirby's Adventure
Easy platforming with optional tougher secrets
Toy Story 2: Buzz Lightyear to the Rescue
Platforming, spin attacks, and laser aim need modest precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Adventure
Scripted enemies and bosses only
Toy Story 2: Buzz Lightyear to the Rescue
Scripted enemies and bosses, nothing adapts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Adventure
Hidden switches found once, known forever
Toy Story 2: Buzz Lightyear to the Rescue
Static levels with fixed token placements
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Adventure
Copy ability choice and secret routes
Toy Story 2: Buzz Lightyear to the Rescue
Pizza Planet token routing and boss patterns are learnable
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.