head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

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

Optimization · Pure Optimization
A football management sim testing tactics, squad building and club economics.
Europa Universalis IV leans Optimization (Pure Optimization); Football Club Simulator - FCS 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
Football Club Simulator - FCS
Real-time orders, but no twitch ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Europa Universalis IV
AI mostly scripted, some MP
Football Club Simulator - FCS
Opponent managers offer light tactical prediction
Football Club Simulator - FCS leans a little harder on variance, though the gap is small.
Europa Universalis IV
events, mission paths
Football Club Simulator - FCS
Match outcomes and player form carry randomness
Europa Universalis IV leans a little harder on optimization, though the gap is small.
Europa Universalis IV
idea groups, economy, mana spending
Football Club Simulator - FCS
Squad building, tactics and club finances decide success
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.