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
An action-hack-and-slash game centered on combo execution against scripted foes.

Execution · Pure Mechanics
A classic beat-em-up demanding execution against scripted enemy waves.
BloodRayne 2 leans Execution (Practiced Mastery); Teenage Mutant Ninja Turtles III: The Manhattan Project leans Execution (Pure Mechanics).
Teenage Mutant Ninja Turtles III: The Manhattan Project leans a little harder on execution, though the gap is small.
BloodRayne 2
combo-based melee and dodge timing
Teenage Mutant Ninja Turtles III: The Manhattan Project
beat-em-up timing and enemy juggling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BloodRayne 2
enemies run fixed attack scripts
Teenage Mutant Ninja Turtles III: The Manhattan Project
enemies run simple fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
BloodRayne 2
minor damage/drop randomness
Teenage Mutant Ninja Turtles III: The Manhattan Project
minor enemy spawn randomness
BloodRayne 2 leans a little harder on optimization, though the gap is small.
BloodRayne 2
upgrade path and combo optimization
Teenage Mutant Ninja Turtles III: The Manhattan Project
character choice and route memorization
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.