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 · Pure Optimization
Map-painting grand strategy ruled by mana and idea optimization.

Optimization · Pure Optimization
Tests squad-building and lane positioning in a tactics system that rewards deep planning.
Europa Universalis IV leans Optimization (Pure Optimization); Grand Kingdom leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Europa Universalis IV
pausable, no twitch
Grand Kingdom
Timed inputs in battle are forgiving
Europa Universalis IV leans a little harder on reads, though the gap is small.
Europa Universalis IV
AI mostly scripted, some MP
Grand Kingdom
Online war pits you against other players' AI-run squads
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Europa Universalis IV
events, mission paths
Grand Kingdom
Enemy squad compositions are hidden until engagement
Europa Universalis IV leans a little harder on optimization, though the gap is small.
Europa Universalis IV
idea groups, economy, mana spending
Grand Kingdom
Squad formation, positioning and gear are deeply solvable
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.