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
Atmospheric hide-and-seek exploration where knowing the route defuses the horror.

Optimization · Systems & Chaos
A wordless surreal exploration game about wandering a sleeping girl's dreamscapes.
Among the Sleep leans Optimization (Practiced Mastery); Yume Nikki leans Optimization (Systems & Chaos).
Among the Sleep leans a little harder on execution, though the gap is small.
Among the Sleep
Toddler locomotion and hiding need little dexterity
Yume Nikki
Just walking, no challenge on inputs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Among the Sleep
The pursuing monster follows scripted triggers
Yume Nikki
No opponent of any kind
Yume Nikki leans a little harder on variance, though the gap is small.
Among the Sleep
Scares are scripted-but-unknown on a first run
Yume Nikki
Random events and obscure unknown triggers
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Among the Sleep
Finding memory objects and routes solves each chapter
Yume Nikki
Mapping the dream worlds to find 24 effects
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.