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.

Optimization · Pure Optimization
Zelda-starring adventure where summoning copied objects and monsters solves combat and puzzles alike.

Optimization · Pure Optimization
A perk-driven sci-fi RPG won by flaw selection and dialogue routing.
The Legend of Zelda: Echoes of Wisdom leans Optimization (Pure Optimization); The Outer Worlds leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Zelda: Echoes of Wisdom
Light action; echoes fight for you
The Outer Worlds
FPS-lite with time-dilation aim
The Outer Worlds leans a little harder on reads, though the gap is small.
The Legend of Zelda: Echoes of Wisdom
Scripted enemies throughout
The Outer Worlds
Scripted enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Zelda: Echoes of Wisdom
First-run discovery of echoes and rifts
The Outer Worlds
Loot rolls, dialogue check variance
The Legend of Zelda: Echoes of Wisdom leans a little harder on optimization, though the gap is small.
The Legend of Zelda: Echoes of Wisdom
Choosing which copied object solves each room
The Outer Worlds
Perks, flaws, dialogue routing rewarded
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.