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 · Practiced Mastery
A Revolution-era Paris entry built around dense crowds and open-ended blackbox assassinations.

Execution · Practiced Mastery
Open-galaxy entry whose mobile combat outshines its exploration loop.
Assassin's Creed Unity leans Optimization (Practiced Mastery); Mass Effect: Andromeda leans Execution (Practiced Mastery).
Mass Effect: Andromeda leans a little harder on execution, though the gap is small.
Assassin's Creed Unity
Refined parkour, still forgiving combat
Mass Effect: Andromeda
jump-jet mobility raises the combat ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Unity
Co-op partners face scripted guards
Mass Effect: Andromeda
kett follow fixed AI routines
Mass Effect: Andromeda leans a little harder on variance, though the gap is small.
Assassin's Creed Unity
Fixed sandbox assassinations
Mass Effect: Andromeda
exploration surprises only on first visit
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assassin's Creed Unity
Gear builds and blackbox approach planning
Mass Effect: Andromeda
profile swapping and research crafting systems
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.