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 · Systems & Chaos
A hidden-object game testing systematic visual search for hidden cats.

Optimization · Light / Casual
A deceptively cheerful visual novel that uses its own genre conventions as horror tools.
100 Istanbul Cats leans Optimization (Systems & Chaos); Doki Doki Literature Club! leans Optimization (Light / Casual).
100 Istanbul Cats leans a little harder on execution, though the gap is small.
100 Istanbul Cats
Scanning and clicking demands no twitch
Doki Doki Literature Club!
No inputs beyond clicking text - zero physical demand
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
100 Istanbul Cats
Solo hidden-object game, no opponent
Doki Doki Literature Club!
No adaptive opponent; horror twists are scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
100 Istanbul Cats
Cat placement hidden until found
Doki Doki Literature Club!
Hidden content and flags drive the horror subversion
100 Istanbul Cats leans a little harder on optimization, though the gap is small.
100 Istanbul Cats
Systematic scanning of the scene finds every cat
Doki Doki Literature Club!
One optimal path to reach all endings once mechanics known
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.