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 · Pure Mechanics
A one-tap reflex test of threading a bouncing ball through rotating gaps.

Execution · Pure Mechanics
A physics comedy about an octopus in a suit flailing through fatherhood without blowing his cover.
Helix Jump leans Execution (Pure Mechanics); Octodad: Dadliest Catch leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Helix Jump
Perfect tap timing through gaps is the entire game
Octodad: Dadliest Catch
Deliberately clumsy limb controls are the whole challenge
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Helix Jump
No opponent of any kind
Octodad: Dadliest Catch
No opponents, just suspicion meters
Helix Jump leans a little harder on variance, though the gap is small.
Helix Jump
Tower layouts vary slightly but patterns repeat quickly
Octodad: Dadliest Catch
Physics wobble adds slapstick unpredictability
Octodad: Dadliest Catch leans a little harder on optimization, though the gap is small.
Helix Jump
Almost nothing to plan beyond keeping the ball falling
Octodad: Dadliest Catch
Simple objectives, little system depth
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.