head to head
Age of Empires III asks more than Halo Wars, and the gap is execution.

Optimization · Mind & Math
A colonial-era RTS adding home-city card shipments to classic Age economy play.

Optimization · Mind & Math
Console-first RTS translating Halo's factions into streamlined base-and-army battles.
Age of Empires III leans Optimization (Mind & Math); Halo Wars leans Optimization (Mind & Math).
Age of Empires III leans clearly harder on execution.
Age of Empires III
Unit micro and raid defense
Halo Wars
Controller macro is deliberately light
Age of Empires III leans a little harder on reads, though the gap is small.
Age of Empires III
Human deck and timing reads in ranked
Halo Wars
Versus humans, build choices are mindgames
Age of Empires III leans a little harder on variance, though the gap is small.
Age of Empires III
Map spawns and shipment ordering unknowns
Halo Wars
Scouting hides enemy composition early
Age of Empires III leans a little harder on optimization, though the gap is small.
Age of Empires III
Home-city decks are a build-crafting layer
Halo Wars
Build orders and counter-unit economy
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.