head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Variance · Systems & Chaos
A semi-roguelike horror game where randomised resources and persistent noise create genuine variance around learnable systems.

Optimization · Practiced Mastery
An atmospheric open-zone survival shooter set in the Chernobyl exclusion zone.
Amnesia: The Bunker leans Variance (Systems & Chaos); S.T.A.L.K.E.R.: Shadow of Chernobyl leans Optimization (Practiced Mastery).
S.T.A.L.K.E.R.: Shadow of Chernobyl leans a little harder on execution, though the gap is small.
Amnesia: The Bunker
Tense stealth and limited firearm use raise the execution bar
S.T.A.L.K.E.R.: Shadow of Chernobyl
Ballistic gunplay punishes sloppy aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Amnesia: The Bunker
The creature reacts to noise but follows proximity rules, not player modelling
S.T.A.L.K.E.R.: Shadow of Chernobyl
A-Life feels alive but doesn't model you
Amnesia: The Bunker leans a little harder on variance, though the gap is small.
Amnesia: The Bunker
Randomised item placement each run and creature patrol timing add real uncertainty
S.T.A.L.K.E.R.: Shadow of Chernobyl
Anomalies, mutant spawns, and artifact RNG hide information
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Amnesia: The Bunker
Resource planning, generator timing and noise management are learnable systems
S.T.A.L.K.E.R.: Shadow of Chernobyl
Artifact economy, routes, and stash knowledge converge
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.