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.

Optimization · Practiced Mastery
An open-world pirate adventure where upgrading the Jackdaw matters more than the blade.

Optimization · Practiced Mastery
A brawler RPG mixing style-switch combat with business-routing optimization.
Assassin's Creed IV: Black Flag leans Optimization (Practiced Mastery); Yakuza 0 leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed IV: Black Flag
Naval broadsides and boarding need modest timing
Yakuza 0
Brawler combat with style switching
Assassin's Creed IV: Black Flag leans a little harder on reads, though the gap is small.
Assassin's Creed IV: Black Flag
Multiplayer deception mode; campaign is scripted
Yakuza 0
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed IV: Black Flag
Weather, convoys, and hunting spawns
Yakuza 0
Minor drop randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed IV: Black Flag
Ship upgrades and fleet economy drive progress
Yakuza 0
Skill tree, business mini-game routing
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.