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.

Execution · Pure Mechanics
Pure motion accuracy against fixed choreography.

Execution · Pure Mechanics
Pioneering rhythm game where a rapping dog believes his way through button-cue raps.
Just Dance 2022 leans Execution (Pure Mechanics); PaRappa the Rapper leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Just Dance 2022
Matching choreography precisely is the entire score
PaRappa the Rapper
Hitting button cues on beat is the whole game
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Just Dance 2022
The routine never adapts to you
PaRappa the Rapper
No opponent; teachers follow set lines
PaRappa the Rapper leans a little harder on variance, though the gap is small.
Just Dance 2022
Identical choreography every play
PaRappa the Rapper
Songs are fixed sequences
PaRappa the Rapper leans a little harder on optimization, though the gap is small.
Just Dance 2022
Memorising routines helps but motion accuracy dominates
PaRappa the Rapper
Freestyle scoring quirks for Cool rank
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.