head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is optimization, and it is a single point.

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

Optimization · Systems & Chaos
A freemium town builder testing patience and timer scheduling more than any skill.
Doki Doki Literature Club! leans Optimization (Light / Casual); The Simpsons: Tapped Out leans Optimization (Systems & Chaos).
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
The Simpsons: Tapped Out
Tapping buildings has no skill component
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
The Simpsons: Tapped Out
No opponent in a solo town builder
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
The Simpsons: Tapped Out
Event prize rolls add mild randomness
The Simpsons: Tapped Out leans a little harder on optimization, though the gap is small.
Doki Doki Literature Club!
One optimal path to reach all endings once mechanics known
The Simpsons: Tapped Out
Task scheduling and payout timing are the only decisions
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.