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.

Reads · Grand Arena
A DC fighter where Clash wager mind-games and character-specific stage interactions add layers to the competitive match.

Execution · Grand Arena
A variation-based fighter where character specialisation choices and read-and-punish execution drive competitive outcomes.
Injustice: Gods Among Us leans Reads (Grand Arena); Mortal Kombat X leans Execution (Grand Arena).
Mortal Kombat X leans a little harder on execution, though the gap is small.
Injustice: Gods Among Us
Wager and clash system adds readable but executable decision points
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.
Injustice: Gods Among Us
Clash wager reads and opponent pattern prediction against humans
Mortal Kombat X
Reading opponent's variation choice and tendency shifts the matchup
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice: Gods Among Us
No RNG; match flow is transparent
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.
Injustice: Gods Among Us
Character tier matchups and stage interaction abuse 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.