head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Competitive PvP
Stick-skill football against human opponents whose habits must be read.

Execution · Competitive PvP
Hardcore Eastern Front shooter where exposure for seconds means death.
FIFA Soccer 13 leans Execution (Competitive PvP); Red Orchestra 2: Heroes of Stalingrad leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA Soccer 13
Ball control and finishing inputs decide moments
Red Orchestra 2: Heroes of Stalingrad
Realistic ballistics and one-shot kills demand precise aim.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA Soccer 13
Online humans keep adjusting their patterns
Red Orchestra 2: Heroes of Stalingrad
Anticipating human teams' pushes and covered angles.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA Soccer 13
First-touch randomness and deflections add chaos
Red Orchestra 2: Heroes of Stalingrad
Suppression, concealment, and unseen shooters.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
FIFA Soccer 13
Tactics and squad setup are a studied layer
Red Orchestra 2: Heroes of Stalingrad
Map chokepoints and role mechanics reward study.
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.