head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Practiced Mastery
A tactile rhythm-puzzle about pacing your touch through colorful tunnels.

Optimization · Practiced Mastery
A gag-driven platformer testing little beyond collectible patience.
Luxuria Superbia leans Optimization (Practiced Mastery); The Simpsons Game leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Luxuria Superbia
Gentle timed touch input, but forgiving and slow
The Simpsons Game
Simple platforming and character-power timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Luxuria Superbia
Solo - no opponent to predict
The Simpsons Game
Parody enemies are jokes on rails
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Luxuria Superbia
Tunnels are fixed, nothing random to map
The Simpsons Game
Levels are fixed gag sequences
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Luxuria Superbia
Learning to pace touch for high scores is the loop
The Simpsons Game
Character-ability puzzles and collectibles are lightly solvable
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.