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
Legendary turn-based strategy of castle economies, hero armies, and tile-perfect logistics.

Optimization · Pure Optimization
A turn-based strategy game built on hero development and army optimization.
Heroes of Might and Magic III leans Optimization (Pure Optimization); Heroes of Might & Magic: Olden Era leans Optimization (Pure Optimization).
Heroes of Might & Magic: Olden Era leans a little harder on execution, though the gap is small.
Heroes of Might and Magic III
Turn-based; zero dexterity
Heroes of Might & Magic: Olden Era
no reflex demand, turn-based strategy
Heroes of Might and Magic III leans a little harder on reads, though the gap is small.
Heroes of Might and Magic III
Human multiplayer adds bluffing; AI is mappable
Heroes of Might & Magic: Olden Era
human multiplayer opponents adapt strategy
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 III
Map fog, creature banks, and morale rolls
Heroes of Might & Magic: Olden Era
combat rolls and map randomness
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 III
Hero chains, build orders, and combat math are deeply solvable
Heroes of Might & Magic: Olden Era
hero builds, economy, army composition
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.