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
Ezio's Renaissance revenge tale of parkour, assassination, and villa-building across Italy.

Optimization · Practiced Mastery
Working out scripted environmental puzzles with light platforming in a narrative world.
Assassin's Creed II leans Optimization (Practiced Mastery); Papo & Yo leans Optimization (Practiced Mastery).
Assassin's Creed II leans a little harder on execution, though the gap is small.
Assassin's Creed II
Counter-heavy combat stays forgiving
Papo & Yo
Light platforming jumps with forgiving timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed II
Guards follow scripts
Papo & Yo
Monster's frenzy follows fixed trigger rules, not a mind
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed II
Fixed world and missions
Papo & Yo
Puzzles are fully scripted, nothing random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed II
Villa economy and route planning, lightly
Papo & Yo
Each environmental puzzle has one discoverable solution
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.