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

Execution · Pure Mechanics
Synesthetic rail shooter where shooting on the beat scores a psychedelic symphony.

Execution · Practiced Mastery
A rhythm-driven character action game where everything moves to the beat.
Child of Eden leans Execution (Pure Mechanics); Hi-Fi Rush 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.
Child of Eden
Lock-on rhythm targeting and dodge precision
Hi-Fi Rush
Rhythm-timed combos demand precise inputs.
Hi-Fi Rush leans a little harder on reads, though the gap is small.
Child of Eden
Enemies follow choreographed waves
Hi-Fi Rush
Bosses are scripted, not adaptive.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Child of Eden
Deterministic stage choreography
Hi-Fi Rush
Minimal randomness in encounters.
Hi-Fi Rush leans a little harder on optimization, though the gap is small.
Child of Eden
Score routes and memorised wave patterns
Hi-Fi Rush
Combo routes and chip builds reward optimization.
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.