Building comparison
head to head
Grand Theft Auto VvsHalf-Life: Source
Grand Theft Auto V asks more than Half-Life: Source, and the gap is reads.
Grand Theft Auto V
Execution · Practiced Mastery
Sandbox crime playground spanning shooting, driving, and a persistent online economy.
Half-Life: Source
Execution · Practiced Mastery
Aim and movement through a fully scripted campaign that route knowledge solves.
Grand Theft Auto V leans Execution (Practiced Mastery); Half-Life: Source leans Execution (Practiced Mastery).
Grand Theft Auto VHalf-Life: Source
Axis by axis
Execution5 vs 6
Half-Life: Source leans a little harder on execution, though the gap is small.
Grand Theft Auto V
Driving and shooting demand decent inputs.
Half-Life: Source
Aim, movement and platforming through Black Mesa's gauntlets
Reads2 vs 0
Grand Theft Auto V leans clearly harder on reads.
Grand Theft Auto V
Online PvP exists but mostly gear/positioning, not modeling.
Half-Life: Source
Marines and aliens run impressive but fixed scripts
Variance2 vs 1
Grand Theft Auto V leans a little harder on variance, though the gap is small.
Grand Theft Auto V
Some mission and lobby randomness.
Half-Life: Source
Fully authored campaign, nothing random
Optimization4 vs 5
Half-Life: Source leans a little harder on optimization, though the gap is small.
Grand Theft Auto V
Heists, money loops, builds learnable.
Half-Life: Source
Route knowledge and resource management trivialise replays
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.