Building comparison
head to head
Arma 2vsDayZ
DayZ asks more than Arma 2, and the gap is variance.
Arma 2
Execution · Competitive PvP
A sprawling military simulator where realistic ballistics and planning beat reflexes.
DayZ
Variance · Grand Arena
Hardcore survival sandbox where other players are scarier than the zombies.
Arma 2 leans Execution (Competitive PvP); DayZ leans Variance (Grand Arena).
Arma 2DayZ
Axis by axis
Execution6 vs 6
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Arma 2
Ballistics, stance, and positioning over twitch aim
DayZ
gunfights punish slow hands severely
Reads5 vs 6
DayZ leans a little harder on reads, though the gap is small.
Arma 2
Human squads in PvP scenarios adapt
DayZ
every survivor met may lie, ambush, or befriend
Variance4 vs 7
DayZ leans clearly harder on variance.
Arma 2
Vast terrain hides enemy positions
DayZ
loot spawns and who you meet are unknowable
Optimization5 vs 5
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Arma 2
Doctrine, loadouts, and mission planning
DayZ
map knowledge and survival routines compound
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.