head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Light / Casual
A deceptively cheerful visual novel that uses its own genre conventions as horror tools.

Optimization · Light / Casual
A branching visual novel that tests little beyond exploring choice routes.
Doki Doki Literature Club! leans Optimization (Light / Casual); Everlasting Summer leans Optimization (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Doki Doki Literature Club!
No inputs beyond clicking text - zero physical demand
Everlasting Summer
Reading and clicking choices, nothing physical
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
Everlasting Summer
No opponent - characters follow fixed branching scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Doki Doki Literature Club!
Hidden content and flags drive the horror subversion
Everlasting Summer
Route outcomes are hidden only until first playthroughs
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
Everlasting Summer
Mapping choice branches to endings is trivially solvable
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.