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 · Pure Mechanics
Old-school platforming execution through short, fixed western levels.

Execution · Practiced Mastery
Retro ninja platformer that flips from linear levels into a time-hopping metroidvania.
Gunman Clive leans Execution (Pure Mechanics); The Messenger 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.
Gunman Clive
Tight jumps and duck-shoot timing carry all sixteen levels
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.
Gunman Clive
Bandits and bosses run fixed patterns
The Messenger
enemies and bosses are fully scripted
The Messenger leans a little harder on variance, though the gap is small.
Gunman Clive
Levels never change between attempts
The Messenger
deterministic level design
The Messenger leans a little harder on optimization, though the gap is small.
Gunman Clive
Boss pattern learning and weapon upgrades round out clears
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.