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 deceptively cheerful visual novel that uses its own genre conventions as horror tools.

Optimization · Light / Casual
Tests very little mechanically - a dark authored story carried by light RPG battles.
Doki Doki Literature Club! leans Optimization (Light / Casual); Wadanohara and the Great Blue Sea leans Optimization (Light / Casual).
Wadanohara and the Great Blue Sea leans a little harder on execution, though the gap is small.
Doki Doki Literature Club!
No inputs beyond clicking text - zero physical demand
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.
Doki Doki Literature Club!
No adaptive opponent; horror twists are scripted
Wadanohara and the Great Blue Sea
Story characters never adapt to the player
Doki Doki Literature Club! leans a little harder on variance, though the gap is small.
Doki Doki Literature Club!
Hidden content and flags drive the horror subversion
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.
Doki Doki Literature Club!
One optimal path to reach all endings once mechanics known
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.