head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Grand Arena
Open military simulator and PvP sandbox.

Execution · Grand Arena
Annual basketball sim with deep build optimization.
Arma 3 leans Execution (Grand Arena); NBA 2K25 leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Arma 3
Bullet drop, stance, sway, weight all matter
NBA 2K25
Refined shot mechanics, dribble inputs
Arma 3 leans a little harder on reads, though the gap is small.
Arma 3
PvP and milsim ops reward prediction
NBA 2K25
Online matchups demand defensive anticipation
Arma 3 leans a little harder on variance, though the gap is small.
Arma 3
Mission scripts and AI behavior vary
NBA 2K25
Contested shot probability swings
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Arma 3
Loadout planning and tactics solvable
NBA 2K25
Build optimization, badge stacking, team economy
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.