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
An oriental-fantasy grind MMORPG where upgrade luck and farming efficiency define progress.
Europa Universalis IV leans Optimization (Pure Optimization); Metin2 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
Metin2
Hack-and-slash grinding with simple inputs.
Europa Universalis IV leans a little harder on reads, though the gap is small.
Europa Universalis IV
AI mostly scripted, some MP
Metin2
Kingdom wars add light player-versus-player conflict.
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
Metin2
Upgrade chance rolls dominate gear progression.
Europa Universalis IV leans a little harder on optimization, though the gap is small.
Europa Universalis IV
idea groups, economy, mana spending
Metin2
Farming spots, alchemy, and stat builds are solvable grind.
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.