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
A licensed platformer testing basic jump timing and level memorisation.

Execution · Pure Mechanics
An auto-runner spinoff of Sonic testing quick reflexes and route memorization.
Disney's Tarzan leans Execution (Practiced Mastery); Sonic Runners leans Execution (Pure Mechanics).
Sonic Runners leans a little harder on execution, though the gap is small.
Disney's Tarzan
Jump timing and projectile tossing carry the platforming
Sonic Runners
timing jumps/dashes at speed rewards precise inputs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Disney's Tarzan
Jungle enemies run fixed simple patterns
Sonic Runners
no opponent to out-predict, pure solo runner
Sonic Runners leans a little harder on variance, though the gap is small.
Disney's Tarzan
Collectible placements fixed; nothing meaningfully random
Sonic Runners
occasional random item drops and obstacle layout
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Disney's Tarzan
Memorising level layouts and letter locations completes it
Sonic Runners
route/lane and upgrade optimization for score
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.