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

Optimization · Systems & Chaos
Surveillance thriller where you decide which citizens' secrets to report to the state.

Optimization · Systems & Chaos
Sifting a found phone's hidden contents to assemble one fixed mystery.
Orwell: Keeping an Eye on You leans Optimization (Systems & Chaos); Simulacra 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.
Orwell: Keeping an Eye on You
Reading and clicking documents only
Simulacra
Tapping through a phone interface
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Orwell: Keeping an Eye on You
Story characters are scripted, not adaptive
Simulacra
The entity is scripted horror, not an adapting mind
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Orwell: Keeping an Eye on You
Truth is hidden until you uncover contradicting datachunks
Simulacra
The mystery is hidden information uncovered once
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Orwell: Keeping an Eye on You
Choosing which evidence to upload steers fixed outcomes
Simulacra
Piecing clues from texts and apps is the whole test
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.