head to head
Call of the Sea asks more than Scribblenauts Unlimited, and the gap is optimization.

Optimization · Pure Optimization
First-person puzzle adventure unraveling a Lovecraft-tinged island mystery.

Optimization · Pure Optimization
Open-ended puzzles testing vocabulary-driven creative problem-solving more than any reflex.
Call of the Sea leans Optimization (Pure Optimization); Scribblenauts Unlimited 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.
Call of the Sea
Walking and clicking, no dexterity test
Scribblenauts Unlimited
Typing words is the only physical demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of the Sea
No opponent of any kind
Scribblenauts Unlimited
Puzzle NPCs are static requests, not minds
Call of the Sea leans a little harder on variance, though the gap is small.
Call of the Sea
Hidden solutions surprise only once
Scribblenauts Unlimited
Puzzles are visible; nothing meaningful is hidden
Call of the Sea leans clearly harder on optimization.
Call of the Sea
Deducing fixed puzzle logic is the whole game
Scribblenauts Unlimited
Finding objects that satisfy puzzle constraints is creative problem-solving
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.