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 · Practiced Mastery
Combo execution through scripted Outworld brawls, alone or in co-op.

Execution · Practiced Mastery
Cinematic Roman brawler centered on parry timing and brutal QTE executions.
Mortal Kombat: Shaolin Monks leans Execution (Practiced Mastery); Ryse: Son of Rome leans Execution (Practiced Mastery).
Mortal Kombat: Shaolin Monks leans a little harder on execution, though the gap is small.
Mortal Kombat: Shaolin Monks
Combo juggling and launcher timing carry combat
Ryse: Son of Rome
Timing-based parries and execution prompts, forgiving windows.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat: Shaolin Monks
Bosses telegraph fixed Outworld patterns
Ryse: Son of Rome
Enemies telegraph from fixed scripts.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat: Shaolin Monks
Encounters repeat identically once learned
Ryse: Son of Rome
Almost fully linear and scripted.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Mortal Kombat: Shaolin Monks
Move unlocks, co-op synergies and boss patterns reward study
Ryse: Son of Rome
Combo multipliers and execution-perk choice are shallowly solvable.
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.