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.

Variance · Systems & Chaos
Learning a stalker's rules and safe routes across time-hopping nights.

Optimization · Systems & Chaos
Isolating targets amid randomised crowds using traps and patience.
Five Nights at Freddy's: Into the Pit leans Variance (Systems & Chaos); Party Hard 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.
Five Nights at Freddy's: Into the Pit
Hiding and fleeing need timing but stay forgiving
Party Hard
Walking and stabbing need timing but little dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Five Nights at Freddy's: Into the Pit
The animatronic stalks via game rules, not a mind
Party Hard
Partygoers wander on RNG, not adaptive minds
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Five Nights at Freddy's: Into the Pit
Pursuer behaviour and clue locations are hidden until learned
Party Hard
Random traps, events and witness behaviour vary each level
Party Hard leans a little harder on optimization, though the gap is small.
Five Nights at Freddy's: Into the Pit
Mapping safe routes and puzzle steps converges quickly
Party Hard
Trap usage and isolation tactics converge to known strategies
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.