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.

Optimization · Pure Optimization
Stealth adventure about a minstrel mouse sneaking through a rat-run fortress.

Optimization · Pure Optimization
A gentle turn-based system easily solved by build and gear choices.
Ghost of a Tale leans Optimization (Pure Optimization); South Park: The Stick of Truth leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Ghost of a Tale
Light sneak-and-dash timing
South Park: The Stick of Truth
Timed attack and block prompts add light input demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Ghost of a Tale
Guard rats patrol fixed mappable routes
South Park: The Stick of Truth
Enemies follow fixed turn-based scripts
Ghost of a Tale leans a little harder on variance, though the gap is small.
Ghost of a Tale
Quest items and routes hidden first time
South Park: The Stick of Truth
Minor damage rolls; encounters are otherwise fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Ghost of a Tale
Costumes, routes, and quest-chain solutions
South Park: The Stick of Truth
Build, gear and ability choices comfortably solve every fight
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.