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 top-down co-op shooter testing aim and upgrade optimization against alien swarms.

Optimization · Practiced Mastery
Open-world action game where procedurally generated orc captains remember your encounters.
From Space leans Execution (Practiced Mastery); Middle-earth: Shadow of Mordor leans Optimization (Practiced Mastery).
From Space leans a little harder on execution, though the gap is small.
From Space
Twin-stick aiming and dodging swarms is core
Middle-earth: Shadow of Mordor
Counter-timing combat and stealth execution
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
From Space
Aliens are scripted/random, not adaptive minds
Middle-earth: Shadow of Mordor
Nemesis orcs remember you but remain mappable scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
From Space
Random spawns and drops add chaos
Middle-earth: Shadow of Mordor
Procedural captains with hidden strengths and weaknesses
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
From Space
Weapon upgrades and squad coordination reward planning
Middle-earth: Shadow of Mordor
Intel gathering and exploiting known weaknesses solves fights
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.