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 lunar-lander game testing precise thrust and descent control.

Execution · Pure Mechanics
Holding clean lines at speed through traffic on memorisable point-to-point roads.
Moonlander leans Execution (Pure Mechanics); The Need for Speed leans Execution (Pure Mechanics).
Moonlander leans a little harder on execution, though the gap is small.
Moonlander
precise thrust control to land safely
The Need for Speed
Holding racing lines at speed through traffic is the test
The Need for Speed leans a little harder on reads, though the gap is small.
Moonlander
no opponent, physics-based challenge
The Need for Speed
AI rivals and police follow fixed behaviour
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Moonlander
terrain and fuel randomness minor
The Need for Speed
Traffic patterns add mild run-to-run noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Moonlander
fuel management and descent strategy
The Need for Speed
Track knowledge and car choice settle quickly
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.