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 · Grand Arena
A 3D arena fighter where Perception counter exchanges create intense read-off moments between human opponents.

Execution · Grand Arena
A variation-based fighter where character specialisation choices and read-and-punish execution drive competitive outcomes.
Dragon Ball: Sparking! Zero leans Execution (Grand Arena); Mortal Kombat X leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball: Sparking! Zero
Perception counter timing and Ki charge positioning demand precise execution
Mortal Kombat X
Variation-specific combo routes demand precise practice
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball: Sparking! Zero
Perception and counter-burst exchanges are pure human reads
Mortal Kombat X
Reading opponent's variation choice and tendency shifts the matchup
Dragon Ball: Sparking! Zero leans a little harder on variance, though the gap is small.
Dragon Ball: Sparking! Zero
Character scaling imbalance adds mild outcome variance
Mortal Kombat X
No RNG; transparent match flow
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dragon Ball: Sparking! Zero
Character tier selection and Dragon Rush routing reward study
Mortal Kombat X
Variation selection and optimal punish routes require systematic study
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.