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
One-button rhythm platformer where the hardest levels demand thousands of perfect attempts.

Execution · Pure Mechanics
A brutal minimalist platformer where flipping gravity replaces jumping.
Geometry Dash leans Execution (Pure Mechanics); VVVVVV leans Execution (Pure Mechanics).
Geometry Dash leans a little harder on execution, though the gap is small.
Geometry Dash
Frame-perfect one-button timing over relentless sequences
VVVVVV
Pixel-perfect gravity flips through spike gauntlets
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Geometry Dash
Levels never adapt
VVVVVV
No opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Geometry Dash
Fully deterministic; identical every attempt
VVVVVV
Every hazard is fixed and visible
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Geometry Dash
Memorizing layouts is required but solved quickly
VVVVVV
Routes are short and obvious; execution is everything
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.