head to head
Live for Speed asks more than Half-Life 2, and the gap is execution.

Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.

Execution · Pure Mechanics
A long-running hardcore racing simulator prized for its tire physics and online racing.
Half-Life 2 leans Execution (Pure Mechanics); Live for Speed leans Execution (Pure Mechanics).
Live for Speed leans clearly harder on execution.
Half-Life 2
Gravity gun and shooting demand precision.
Live for Speed
Hardcore sim handling rewards perfect car control
Live for Speed leans clearly harder on reads.
Half-Life 2
Combine AI scripted, non-adaptive.
Live for Speed
Online racecraft against human rivals
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life 2
Almost no randomness.
Live for Speed
Deterministic physics, no weather lottery
Live for Speed leans clearly harder on optimization.
Half-Life 2
Linear progression with no builds.
Live for Speed
Setups and racing lines converge to known optima
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.