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
Guided detective clue-hunting with hidden answers and minimal challenge.

Optimization · Systems & Chaos
Notorious FMV horror adventure of a writer unraveling her mansion's grisly past.
Murdered: Soul Suspect leans Optimization (Systems & Chaos); Phantasmagoria 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.
Murdered: Soul Suspect
Walking and clue-clicking; demon stealth is trivial
Phantasmagoria
Point-and-click with rare timed scenes
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Murdered: Soul Suspect
Demons follow simple fixed patrols
Phantasmagoria
Horror beats are fully scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Murdered: Soul Suspect
Clues and case answers are hidden until found
Phantasmagoria
Deaths and triggers unknown on first run
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Murdered: Soul Suspect
Deduction sequences are guided puzzles with known answers
Phantasmagoria
Linear puzzle chains with single solutions
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.