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
A gleefully absurd open-world crime game where the Saints conquer Steelport as celebrity gangsters.
Hill Climb Racing 2 leans Execution (Practiced Mastery); Saints Row: The Third leans Execution (Practiced Mastery).
Hill Climb Racing 2 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
Saints Row: The Third
Generous shooting and driving keep the skill bar moderate
Saints Row: The Third leans a little harder on reads, though the gap is small.
Hill Climb Racing 2
Async opponents are ghosts, nothing to predict live
Saints Row: The Third
Enemy syndicates never adapt to you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Hill Climb Racing 2
Procedural terrain segments add mild run-to-run noise
Saints Row: The Third
Sandbox mayhem injects light randomness
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
Saints Row: The Third
Upgrade trees and city-takeover income are straightforwardly maximised
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.