head to head
Blackout Z: Slaughterhouse Edition asks more than Half-Life 2, and the gap is variance.

Execution · Pure Mechanics
A top-down zombie shooter testing aim and survival against waves in the dark.

Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.
Blackout Z: Slaughterhouse Edition leans Execution (Pure Mechanics); Half-Life 2 leans Execution (Pure Mechanics).
Blackout Z: Slaughterhouse Edition leans a little harder on execution, though the gap is small.
Blackout Z: Slaughterhouse Edition
Twin-stick aim and movement under a draining flashlight
Half-Life 2
Gravity gun and shooting demand precision.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Blackout Z: Slaughterhouse Edition
Zombies swarm on scripts, no prediction
Half-Life 2
Combine AI scripted, non-adaptive.
Blackout Z: Slaughterhouse Edition leans clearly harder on variance.
Blackout Z: Slaughterhouse Edition
Spawn waves and pickups vary each run
Half-Life 2
Almost no randomness.
Blackout Z: Slaughterhouse Edition leans a little harder on optimization, though the gap is small.
Blackout Z: Slaughterhouse Edition
Battery and ammo management reward efficient play
Half-Life 2
Linear progression with no builds.
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.