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.

Execution · Pure Mechanics
A physics comedy about an octopus in a suit flailing through fatherhood without blowing his cover.

Execution · Pure Mechanics
Nintendo's minigame rhythm collection where everything reduces to feeling the beat exactly.
Octodad: Dadliest Catch leans Execution (Pure Mechanics); Rhythm Heaven Fever leans Execution (Pure Mechanics).
Rhythm Heaven Fever leans a little harder on execution, though the gap is small.
Octodad: Dadliest Catch
Deliberately clumsy limb controls are the whole challenge
Rhythm Heaven Fever
Strict beat-perfect timing windows across minigames
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Octodad: Dadliest Catch
No opponents, just suspicion meters
Rhythm Heaven Fever
Scripted rhythm patterns only
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Octodad: Dadliest Catch
Physics wobble adds slapstick unpredictability
Rhythm Heaven Fever
Minor visual fakeouts, audio is fully fixed
Octodad: Dadliest Catch leans a little harder on optimization, though the gap is small.
Octodad: Dadliest Catch
Simple objectives, little system depth
Rhythm Heaven Fever
Little to plan, internalize the beat and go
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.