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 · Light / Casual
A gentle social journey testing little beyond exploration and cooperation.

Optimization · Light / Casual
Tests very little mechanically - a dark authored story carried by light RPG battles.
Sky: Children of the Light leans Optimization (Light / Casual); Wadanohara and the Great Blue Sea leans Optimization (Light / Casual).
Sky: Children of the Light leans a little harder on execution, though the gap is small.
Sky: Children of the Light
Gentle flight controls with no failure pressure
Wadanohara and the Great Blue Sea
Top-down walking and menu battles need no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Sky: Children of the Light
Other players are companions, not adversaries
Wadanohara and the Great Blue Sea
Story characters never adapt to the player
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Sky: Children of the Light
Daily events rotate on known schedules
Wadanohara and the Great Blue Sea
Plot twists are authored, not random
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Sky: Children of the Light
Candle routes and collectible runs are lightly optimisable
Wadanohara and the Great Blue Sea
Simple RPG battles and light puzzles barely resist
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.