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
A high-intensity twin-stick shooter testing sustained aim and combo-chain routing.

Execution · Pure Mechanics
The N64 entry whose boost-or-survive health gamble layers routing decisions onto raw speed control.
Assault Android Cactus leans Execution (Pure Mechanics); F-Zero X 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.
Assault Android Cactus
Screen-filling enemy waves demand constant twin-stick precision
F-Zero X
Sixty-frame control of thirty machines at top speed
F-Zero X leans a little harder on reads, though the gap is small.
Assault Android Cactus
Robot waves spawn on fixed scripts
F-Zero X
Rival AI is non-adaptive
Assault Android Cactus leans a little harder on variance, though the gap is small.
Assault Android Cactus
Power-up drops add minor run-to-run noise
F-Zero X
X Cup random tracks are a minor mode
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Assault Android Cactus
Combo chains and battery routing are learnable scoring systems
F-Zero X
Boost-health tradeoffs and shortcuts reward routing
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.