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 · Competitive PvP
The Deadly Alliance follow-up adding combo breakers, death traps, and online play.

Execution · Competitive PvP
The 3D fighting series opener where execution and human mind-games decide every round.
Mortal Kombat: Deception leans Execution (Competitive PvP); Tekken leans Execution (Competitive PvP).
Tekken leans a little harder on execution, though the gap is small.
Mortal Kombat: Deception
Style strings plus stage-hazard spacing demand control
Tekken
Frame-tight inputs, juggle combos, movement demand trained hands
Tekken leans a little harder on reads, though the gap is small.
Mortal Kombat: Deception
Human opponents bait death traps and breakers
Tekken
Human opponent adapts; throws, lows, sidesteps form mixup mind-games
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat: Deception
Deterministic outside known stage hazards
Tekken
No hidden info; only matchup unfamiliarity early on
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat: Deception
Combo routes and hazard positioning are lab work
Tekken
Frame data, punishes, and combo routing are studyable systems
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.