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.

Optimization · Practiced Mastery
A loot brawler testing build grinding more than the forgiving combat itself.

Execution · Practiced Mastery
Claustrophobic post-apocalyptic shooter where bullets double as currency.
Marvel's Avengers leans Optimization (Practiced Mastery); Metro 2033 leans Execution (Practiced Mastery).
Metro 2033 leans a little harder on execution, though the gap is small.
Marvel's Avengers
Brawler combos with generous timing windows
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.
Marvel's Avengers
Enemy waves are scripted spawns, nothing adapts
Metro 2033
mutants and bandits follow scripts
Metro 2033 leans a little harder on variance, though the gap is small.
Marvel's Avengers
Loot rolls drive gear progression randomness
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.
Marvel's Avengers
Gear score and skill-tree builds are the long-term layer
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.