head to head
Heroes of the Storm asks more than Ultima Online, and the gap is reads.

Reads · Mind & Math
Objective-driven MOBA with shared team XP.

Optimization · Mind & Math
The pioneering sandbox MMORPG of player economies, housing, and open PvP.
Heroes of the Storm leans Reads (Mind & Math); Ultima Online leans Optimization (Mind & Math).
Heroes of the Storm leans a little harder on execution, though the gap is small.
Heroes of the Storm
Skillshots and rotations require hands
Ultima Online
PvP timing and macro dexterity matter
Heroes of the Storm leans clearly harder on reads.
Heroes of the Storm
Team-fight cooldown trading is prediction
Ultima Online
Player killers and traders adapt to you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of the Storm
Map objectives and merc camps vary
Ultima Online
Open-world encounters and loot uncertainty
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Heroes of the Storm
Talent picks and team comps deep
Ultima Online
Skill builds and the player economy reward system mastery
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.