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 · Pure Mechanics
One-hit-kill room clearing where dive timing and aim decide everything.

Execution · Practiced Mastery
Retro ninja platformer that flips from linear levels into a time-hopping metroidvania.
The Hong Kong Massacre leans Execution (Pure Mechanics); The Messenger leans Execution (Practiced Mastery).
The Hong Kong Massacre leans a little harder on execution, though the gap is small.
The Hong Kong Massacre
One-hit deaths make dive-and-shoot precision everything
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.
The Hong Kong Massacre
Enemies react on fixed triggers, never modelling you
The Messenger
enemies and bosses are fully scripted
The Hong Kong Massacre leans a little harder on variance, though the gap is small.
The Hong Kong Massacre
Enemy placements are scripted-but-unknown on first attempt
The Messenger
deterministic level design
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Hong Kong Massacre
Room-clearing order and slow-mo budgeting reward planning
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.