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
A turn-based strategy game where building the optimal army and economy decides victory.

Optimization · Pure Optimization
A classic Korean grind MMORPG where drop luck and stat planning eclipse moment-to-moment skill.
Heroes of Might and Magic IV leans Optimization (Pure Optimization); MU Online leans Optimization (Pure Optimization).
MU Online leans a little harder on execution, though the gap is small.
Heroes of Might and Magic IV
no real-time physical skill needed
MU Online
Click-to-kill grinding with minimal mechanical demand.
Heroes of Might and Magic IV leans a little harder on reads, though the gap is small.
Heroes of Might and Magic IV
predicting human opponent strategy in PvP
MU Online
Open PK adds occasional human conflict.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic IV
combat rolls and map resources random
MU Online
Item drops and upgrade gambling drive the chase.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of Might and Magic IV
army building and economy near-solvable
MU Online
Stat allocation, spot farming, and gear paths 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.