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
An action-RPG hybrid driven by crafting, specialization, and war-table routing.

Optimization · Practiced Mastery
A stealth-action game where planning routes past scripted guards is the deep skill.
Dragon Age: Inquisition leans Optimization (Pure Optimization); Metal Gear Solid 2: Substance leans Optimization (Practiced Mastery).
Metal Gear Solid 2: Substance leans a little harder on execution, though the gap is small.
Dragon Age: Inquisition
Action-leaning combat, dodge timing matters
Metal Gear Solid 2: Substance
stealth timing and aim matter
Dragon Age: Inquisition leans a little harder on reads, though the gap is small.
Dragon Age: Inquisition
Scripted enemy behaviour
Metal Gear Solid 2: Substance
guards are scripted, no adaptation
Dragon Age: Inquisition leans a little harder on variance, though the gap is small.
Dragon Age: Inquisition
Some loot randomization
Metal Gear Solid 2: Substance
minor patrol randomness
Dragon Age: Inquisition leans a little harder on optimization, though the gap is small.
Dragon Age: Inquisition
Crafting, specialization, war table planning
Metal Gear Solid 2: Substance
stealth routes and gadgets solvable
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.