Building comparison
head to head
Call of Duty: Black Ops 4vsHalf-Life 2
Call of Duty: Black Ops 4 asks more than Half-Life 2, and the gap is reads.
Call of Duty: Black Ops 4
Execution · Pure Mechanics
A fast military shooter where twitch aim against human opponents defines success.
Half-Life 2
Execution · Pure Mechanics
Landmark FPS built on physics puzzles and tight gunplay.
Call of Duty: Black Ops 4 leans Execution (Pure Mechanics); Half-Life 2 leans Execution (Pure Mechanics).
Call of Duty: Black Ops 4Half-Life 2
Axis by axis
Execution9 vs 6
Call of Duty: Black Ops 4 leans clearly harder on execution.
Call of Duty: Black Ops 4
aim and reflexes decide most fights
Half-Life 2
Gravity gun and shooting demand precision.
Reads6 vs 1
Call of Duty: Black Ops 4 leans clearly harder on reads.
Call of Duty: Black Ops 4
predicting human opponents' positioning
Half-Life 2
Combine AI scripted, non-adaptive.
Variance3 vs 1
Call of Duty: Black Ops 4 leans clearly harder on variance.
Call of Duty: Black Ops 4
battle royale loot is heavily random
Half-Life 2
Almost no randomness.
Optimization5 vs 3
Call of Duty: Black Ops 4 leans clearly harder on optimization.
Call of Duty: Black Ops 4
loadouts and rotations are solvable
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.