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
Claustrophobic post-apocalyptic shooter where bullets double as currency.

Execution · Practiced Mastery
A side-scrolling shooting test layered over loot-driven loadout optimisation.
Metro 2033 leans Execution (Practiced Mastery); Shoot Many Robots leans Execution (Practiced Mastery).
Shoot Many Robots leans a little harder on execution, though the gap is small.
Metro 2033
scarce-ammo gunfights punish sloppy aim
Shoot Many Robots
Run-and-gun aiming and dodging carry every level
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Metro 2033
mutants and bandits follow scripts
Shoot Many Robots
Robot hordes follow scripted behaviours, never adapting
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Metro 2033
hidden moral points and supplies first run
Shoot Many Robots
Random loot drops shape each build's options
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Metro 2033
ammo-as-currency economy and stealth routing
Shoot Many Robots
Gear and stat loadout tuning gates harder difficulties
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.