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
Balancing a physics vehicle over terrain while upgrade math sets your ceiling.

Execution · Practiced Mastery
Retro ninja platformer that flips from linear levels into a time-hopping metroidvania.
Hill Climb Racing 2 leans Execution (Practiced Mastery); The Messenger leans Execution (Practiced Mastery).
The Messenger leans a little harder on execution, though the gap is small.
Hill Climb Racing 2
Throttle-and-brake balance over physics terrain decides every run
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.
Hill Climb Racing 2
Async opponents are ghosts, nothing to predict live
The Messenger
enemies and bosses are fully scripted
Hill Climb Racing 2 leans a little harder on variance, though the gap is small.
Hill Climb Racing 2
Procedural terrain segments add mild run-to-run noise
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.
Hill Climb Racing 2
Vehicle choice, tuning and upgrade paths set the ceiling
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.