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
Retro run-and-gun reflexes over memorised level layouts and item routes.

Execution · Practiced Mastery
Retro ninja platformer that flips from linear levels into a time-hopping metroidvania.
Rambo III leans Execution (Practiced Mastery); The Messenger leans Execution (Practiced Mastery).
The Messenger leans a little harder on execution, though the gap is small.
Rambo III
Shooting and dodging through enemy soldiers leads the test
The Messenger
cloudstep chains demand precise aerial control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rambo III
Guards follow simple fixed routines
The Messenger
enemies and bosses are fully scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rambo III
Level layouts are static once seen
The Messenger
deterministic level design
The Messenger leans a little harder on optimization, though the gap is small.
Rambo III
Learning item locations and routes solves each mission
The Messenger
upgrade economy and late-game route knowledge
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.