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.

Execution · Practiced Mastery
A gritty African shooter where systemic chaos roughens every firefight.

Execution · Practiced Mastery
Claustrophobic post-apocalyptic shooter where bullets double as currency.
Far Cry 2 leans Execution (Practiced Mastery); Metro 2033 leans Execution (Practiced Mastery).
Far Cry 2 leans a little harder on execution, though the gap is small.
Far Cry 2
Gunplay with degrading, jamming weapons
Metro 2033
scarce-ammo gunfights punish sloppy aim
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Far Cry 2
Mercenary AI is mappable
Metro 2033
mutants and bandits follow scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Far Cry 2
Malaria, jams, and fire spread inject chaos
Metro 2033
hidden moral points and supplies first run
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Far Cry 2
Loadout and route planning across hostile terrain
Metro 2033
ammo-as-currency economy and stealth routing
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.