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 turn-based WWII dogfighting game about positioning planes and planning maneuvers.
Might & Magic: Heroes VI leans Optimization (Pure Optimization); Sid Meier's Ace Patrol: Pacific Skies leans Optimization (Pure Optimization).
Sid Meier's Ace Patrol: Pacific Skies leans a little harder on execution, though the gap is small.
Might & Magic: Heroes VI
no real-time physical skill needed
Sid Meier's Ace Patrol: Pacific Skies
Turn-based moves, no twitch input
Sid Meier's Ace Patrol: Pacific Skies leans a little harder on reads, though the gap is small.
Might & Magic: Heroes VI
predicting human opponent strategy in PvP
Sid Meier's Ace Patrol: Pacific Skies
Hot-seat multiplayer lets you predict human opponents
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Might & Magic: Heroes VI
combat rolls and map resources random
Sid Meier's Ace Patrol: Pacific Skies
Combat dice and positioning add chance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Might & Magic: Heroes VI
army building and economy near-solvable
Sid Meier's Ace Patrol: Pacific Skies
Maneuver planning and upgrade choices solve each mission
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.