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 · Practiced Mastery
Story-driven action adventure carried by its banter more than its combat depth.

Execution · Practiced Mastery
A deliberately paced shooter testing easy aim and light build choices in scripted missions.
Marvel's Guardians of the Galaxy leans Execution (Practiced Mastery); RoboCop: Rogue City leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel's Guardians of the Galaxy
third-person shooting with generous checkpoints
RoboCop: Rogue City
Deliberate aiming with a tanky hero, light demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel's Guardians of the Galaxy
enemies follow fixed behaviors
RoboCop: Rogue City
Criminal AI runs simple fixed scripts
Marvel's Guardians of the Galaxy leans a little harder on variance, though the gap is small.
Marvel's Guardians of the Galaxy
story beats unknown only on first playthrough
RoboCop: Rogue City
Linear missions hold little hidden or random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel's Guardians of the Galaxy
ability priorities and huddle timing are light systems
RoboCop: Rogue City
Skill points and pistol upgrades structure modest build planning
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.