head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Big Daddy POV return to Rapture with tighter combat systems.

Execution · Practiced Mastery
Physics-powered combat testing dexterity and creative use of psychic systems.
BioShock 2 leans Execution (Practiced Mastery); Psi-Ops: The Mindgate Conspiracy leans Execution (Practiced Mastery).
Psi-Ops: The Mindgate Conspiracy leans a little harder on execution, though the gap is small.
BioShock 2
Dual-wield drill and gun timing matter.
Psi-Ops: The Mindgate Conspiracy
Juggling telekinesis aiming with gunplay demands real dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock 2
Splicer AI scripted, not adaptive.
Psi-Ops: The Mindgate Conspiracy
Soldiers follow fixed AI routines, never modelling you
BioShock 2 leans a little harder on variance, though the gap is small.
BioShock 2
Sister-gathering waves add randomness.
Psi-Ops: The Mindgate Conspiracy
Encounters are scripted and fully repeatable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
BioShock 2
Plasmid combos and gear loadouts solvable.
Psi-Ops: The Mindgate Conspiracy
Creative psychic-physics combos solve rooms efficiently
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.