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 · Pure Optimization
Tests squad-building and lane positioning in a tactics system that rewards deep planning.

Optimization · Pure Optimization
A calendar-driven JRPG carried by persona fusion and social-link planning.
Grand Kingdom leans Optimization (Pure Optimization); Persona 4 Golden leans Optimization (Pure Optimization).
Grand Kingdom leans a little harder on execution, though the gap is small.
Grand Kingdom
Timed inputs in battle are forgiving
Persona 4 Golden
Turn-based, no input demand
Grand Kingdom leans a little harder on reads, though the gap is small.
Grand Kingdom
Online war pits you against other players' AI-run squads
Persona 4 Golden
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Kingdom
Enemy squad compositions are hidden until engagement
Persona 4 Golden
Weakness and crit rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Grand Kingdom
Squad formation, positioning and gear are deeply solvable
Persona 4 Golden
Persona fusion and calendar routing rewarded
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.