Building comparison
head to head
Half-LifevsSyphon Filter
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.
Half-Life
Execution · Practiced Mastery
Landmark scripted FPS following Gordon Freeman through the Black Mesa disaster.
Syphon Filter
Execution · Practiced Mastery
The PS1 third-person espionage shooter following agent Gabe Logan against a viral terror plot.
Half-Life leans Execution (Practiced Mastery); Syphon Filter leans Execution (Practiced Mastery).
Half-LifeSyphon Filter
Axis by axis
Execution6 vs 6
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life
Combat aim and infamous platforming sections
Syphon Filter
Taser duels and headshots under pressure test the hands
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life
Marines flank by script, not by modelling you
Syphon Filter
Terrorist AI is scripted spawns and patterns
Variance2 vs 2
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life
Set pieces surprise only on first run
Syphon Filter
Minor first-run uncertainty in enemy placements
Optimization6 vs 6
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Half-Life
Resource routing and encounter knowledge for speedruns
Syphon Filter
Memorizing levels and weapon stashes makes runs routine
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.