head to head
Persona 3 Portable asks more than Murder by Numbers, and the gap is variance.

Optimization · Pure Optimization
A visual-novel mystery where every clue is uncovered by solving picross puzzles.

Optimization · Pure Optimization
Optimising a strict social calendar and fusion economy against scripted dungeon combat.
Murder by Numbers leans Optimization (Pure Optimization); Persona 3 Portable leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Murder by Numbers
Filling grids unhurried; no dexterity ceiling.
Persona 3 Portable
Menu-driven combat needs no physical skill
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Murder by Numbers
Suspects are scripted; mystery never adapts.
Persona 3 Portable
Shadows follow scripted weakness patterns, never adapt
Persona 3 Portable leans clearly harder on variance.
Murder by Numbers
Whodunit unknown on first pass; picross grids are deterministic.
Persona 3 Portable
Tartarus layouts and fusion results carry randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Murder by Numbers
Nonogram deduction is the literal core loop.
Persona 3 Portable
Calendar scheduling and persona fusion form a solvable system
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.