head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.

Execution · Practiced Mastery
Fan-built ground-up remake of Half-Life with a reimagined Xen.

Execution · Practiced Mastery
A first-person exploration game where precise aim and route optimization both matter.
Black Mesa leans Execution (Practiced Mastery); Metroid Prime Remastered leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Black Mesa
Classic FPS aim and platforming sequences
Metroid Prime Remastered
FPS aiming and platforming precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Black Mesa
Marines and aliens follow set scripts
Metroid Prime Remastered
bosses use fixed attack patterns
Black Mesa leans a little harder on variance, though the gap is small.
Black Mesa
Minor enemy placement surprises first run
Metroid Prime Remastered
minor drop/damage variance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Black Mesa
Route, resource, and encounter knowledge
Metroid Prime Remastered
sequence breaking, item routing, upgrades
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.