head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A Marvel team brawler where picking the right hero combos and fusions does the winning.

Optimization · Practiced Mastery
An open-world crime game where managing a criminal empire's territory is the deeper system.
Marvel Ultimate Alliance 2 leans Optimization (Practiced Mastery); The Godfather II leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Ultimate Alliance 2
Fusion timing and brawling are accessible.
The Godfather II
shooting and brawling need moderate skill
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Ultimate Alliance 2
Fully scripted PvE encounters.
The Godfather II
scripted rival families, no adaptation
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Ultimate Alliance 2
Small randomness in boosts and drops.
The Godfather II
territory events and drops vary
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Ultimate Alliance 2
Roster synergy and fusion choices are the real lever.
The Godfather II
empire management and territory control 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.