head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Pure Mechanics
A joke arcade game testing only reaction speed at matching the correct dad.

Execution · Practiced Mastery
Cinematic treasure-hunting where set pieces outshine systems.
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad? leans Execution (Pure Mechanics); Uncharted 4: A Thief's End 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.
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?
Fast dad-matching under a timer is a pure reaction check
Uncharted 4: A Thief's End
Cover shooting and platforming reward timing.
Uncharted 4: A Thief's End leans a little harder on reads, though the gap is small.
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?
No opponent - just accelerating sorting
Uncharted 4: A Thief's End
Scripted enemy AI throughout.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?
Dad spawn order is random but meaningless
Uncharted 4: A Thief's End
Essentially no randomness.
Uncharted 4: A Thief's End leans a little harder on optimization, though the gap is small.
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad?
Nothing to solve beyond pattern recognition speed
Uncharted 4: A Thief's End
Few systems to optimize beyond difficulty.
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.
full breakdown
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad? →
full breakdown
Uncharted 4: A Thief's End →