head to head
Ball x Pit asks more than Party Hard, and the gap is optimization.

Optimization · Systems & Chaos
Building ball-fusion synergies and base upgrades to outscale randomized hordes.

Optimization · Systems & Chaos
Isolating targets amid randomised crowds using traps and patience.
Ball x Pit leans Optimization (Systems & Chaos); Party Hard leans Optimization (Systems & Chaos).
Ball x Pit leans a little harder on execution, though the gap is small.
Ball x Pit
Aiming volleys and dodging matters but stays 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.
Ball x Pit
Monster hordes follow patterns, nothing adapts
Party Hard
Partygoers wander on RNG, not adaptive minds
Ball x Pit leans a little harder on variance, though the gap is small.
Ball x Pit
Ball and upgrade rolls shape every run
Party Hard
Random traps, events and witness behaviour vary each level
Ball x Pit leans clearly harder on optimization.
Ball x Pit
Fusion recipes and base building reward solved synergies
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.