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
Crude comedy 3D platformer of boss fights, parodies, and set-piece variety.

Execution · Practiced Mastery
The beloved NES platformer built around Scrooge's pogo cane.
Conker's Bad Fur Day leans Execution (Practiced Mastery); DuckTales 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.
Conker's Bad Fur Day
Varied platforming and shooting set pieces
DuckTales
Pogo-cane timing carries the platforming
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Conker's Bad Fur Day
Bosses and enemies fully scripted
DuckTales
Fixed enemy placements
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Conker's Bad Fur Day
Linear, authored content throughout
DuckTales
Hidden treasures until found
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Conker's Bad Fur Day
Context-sensitive solutions are learnable
DuckTales
Level routes and secrets are memorisable
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.