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

Execution · Practiced Mastery
Tense, linear Metroid hunted through a station by a clone of yourself.

Execution · Practiced Mastery
Day-glo traversal shooter where staying on rails and walls keeps your style and survival up.
Metroid Fusion leans Execution (Practiced Mastery); Sunset Overdrive 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.
Metroid Fusion
demanding bosses for a 2D Metroid
Sunset Overdrive
Grind-rail momentum and mid-air shooting reward clean hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Metroid Fusion
SA-X stalking runs on fixed scripts
Sunset Overdrive
Mutant hordes are pattern-driven, never adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Metroid Fusion
first-encounter dread fades once mapped
Sunset Overdrive
Horde mode spawns mix things up slightly
Metroid Fusion leans a little harder on optimization, though the gap is small.
Metroid Fusion
guided structure still rewards route and pattern knowledge
Sunset Overdrive
Amp builds, traversal lines, and style multipliers are 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.