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.

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

Execution · Competitive PvP
The Deadly Alliance follow-up adding combo breakers, death traps, and online play.
Injustice: Gods Among Us leans Reads (Grand Arena); Mortal Kombat: Deception leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Injustice: Gods Among Us
Wager and clash system adds readable but executable decision points
Mortal Kombat: Deception
Style strings plus stage-hazard spacing demand control
Injustice: Gods Among Us leans a little harder on reads, though the gap is small.
Injustice: Gods Among Us
Clash wager reads and opponent pattern prediction against humans
Mortal Kombat: Deception
Human opponents bait death traps and breakers
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: Deception
Deterministic outside known stage hazards
Injustice: Gods Among Us leans a little harder on optimization, though the gap is small.
Injustice: Gods Among Us
Character tier matchups and stage interaction abuse reward study
Mortal Kombat: Deception
Combo routes and hazard positioning are lab work
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.