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 gentle stealth-horror adventure testing patience and light puzzle routing.

Optimization · Practiced Mastery
Co-op superhero brawler about assembling the right four-hero squad and builds.
Gylt leans Optimization (Practiced Mastery); Marvel: Ultimate Alliance leans Optimization (Practiced Mastery).
Marvel: Ultimate Alliance leans a little harder on execution, though the gap is small.
Gylt
Gentle stealth and aiming with forgiving margins
Marvel: Ultimate Alliance
brawling and dodge timing are forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gylt
Monsters patrol fixed routes without adapting
Marvel: Ultimate Alliance
enemies are scripted mobs
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Gylt
Creature placements are unknown only on first approach
Marvel: Ultimate Alliance
some loot and unlock randomness
Marvel: Ultimate Alliance leans a little harder on optimization, though the gap is small.
Gylt
Routing past patrols and solving light puzzles is the core
Marvel: Ultimate Alliance
team bonuses, gear, and skill builds carry 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.