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
The 70s-cinema getaway driving game with famously demanding physics.

Execution · Pure Mechanics
A classic arcade rail-shooter piloting a futuristic starfighter.
Driver leans Execution (Pure Mechanics); Galaxy Force leans Execution (Pure Mechanics).
Galaxy Force leans a little harder on execution, though the gap is small.
Driver
Handbrake control and pursuit driving by feel
Galaxy Force
precise flight-shooting reflex control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
Police AI is mappable
Galaxy Force
no opponent, scripted arcade enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
Traffic adds mild unpredictability
Galaxy Force
minimal randomness, fixed encounters
Driver leans a little harder on optimization, though the gap is small.
Driver
City routes and mission tactics learnable
Galaxy Force
pattern memorization and route optimization
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.