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.

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

Optimization · Pure Optimization
A management game about ferrying spirits to the afterlife.
Luxuria Superbia leans Optimization (Practiced Mastery); Spiritfarer leans Optimization (Pure Optimization).
Luxuria Superbia leans a little harder on execution, though the gap is small.
Luxuria Superbia
Gentle timed touch input, but forgiving and slow
Spiritfarer
Platforming is light and forgiving.
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
Spiritfarer
Spirits follow scripted arcs.
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
Spiritfarer
Minor resource RNG.
Spiritfarer leans a little harder on optimization, though the gap is small.
Luxuria Superbia
Learning to pace touch for high scores is the loop
Spiritfarer
Boat layout and crafting loops reward planning.
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.