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.

Execution · Practiced Mastery
A top-down shooter testing aim and resource management against alien swarms.

Execution · Practiced Mastery
Sprawling action horror with four campaigns and a surprisingly deep combat system.
Alien Breed Evolution leans Execution (Practiced Mastery); Resident Evil 6 leans Execution (Practiced Mastery).
Alien Breed Evolution leans a little harder on execution, though the gap is small.
Alien Breed Evolution
Twin-stick aiming under alien swarms demands reflexes
Resident Evil 6
Deep melee-and-gunplay movement system rewards mechanics
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Alien Breed Evolution
Aliens charge on scripts, nothing adapting to you
Resident Evil 6
Agent Hunt PvP adds a sliver of prediction
Alien Breed Evolution leans a little harder on variance, though the gap is small.
Alien Breed Evolution
Spawn timing and ambushes add unpredictability
Resident Evil 6
Set-piece campaigns are fixed after first sight
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Alien Breed Evolution
Ammo and upgrade management reward resource planning
Resident Evil 6
Skill builds and Mercenaries combos are learnable
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.