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 · Pure Mechanics
A pure paddle-precision breakout test with nothing hidden beneath.

Execution · Pure Mechanics
Forgiving spectacle combat that lightly tests combo execution.
Alleyway leans Execution (Pure Mechanics); Star Wars: The Force Unleashed II leans Execution (Pure Mechanics).
Alleyway leans a little harder on execution, though the gap is small.
Alleyway
Paddle precision and angle control decide every screen
Star Wars: The Force Unleashed II
Combo timing and dodges carry the spectacle combat
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Alleyway
Bricks cannot fight back
Star Wars: The Force Unleashed II
Stormtroopers follow simple fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Alleyway
Ball physics are deterministic with minor bounce uncertainty
Star Wars: The Force Unleashed II
Encounters are scripted and identical every run
Star Wars: The Force Unleashed II leans a little harder on optimization, though the gap is small.
Alleyway
Brick-clearing order barely matters beyond basics
Star Wars: The Force Unleashed II
Upgrade choices barely matter against forgiving difficulty
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.