Building comparison
head to head
DayZvsWarcraft III: Reign of Chaos
Neither is simply harder - they are hard in different places. DayZ demands more variance; Warcraft III: Reign of Chaos demands more optimization.
DayZ
Variance · Grand Arena
Hardcore survival sandbox where other players are scarier than the zombies.
Warcraft III: Reign of Chaos
Optimization · Grand Arena
Blizzard's hero-centric RTS where build-order theory meets surgical unit micro against humans.
DayZ leans Variance (Grand Arena); Warcraft III: Reign of Chaos leans Optimization (Grand Arena).
DayZWarcraft III: Reign of Chaos
Axis by axis
Execution6 vs 7
Warcraft III: Reign of Chaos leans a little harder on execution, though the gap is small.
DayZ
gunfights punish slow hands severely
Warcraft III: Reign of Chaos
Micro of heroes and units decides fights
Reads6 vs 7
Warcraft III: Reign of Chaos leans a little harder on reads, though the gap is small.
DayZ
every survivor met may lie, ambush, or befriend
Warcraft III: Reign of Chaos
Scouting and out-guessing a human opponent's tech
Variance7 vs 3
DayZ leans clearly harder on variance.
DayZ
loot spawns and who you meet are unknowable
Warcraft III: Reign of Chaos
Creep routes and item drops add randomness
Optimization5 vs 8
Warcraft III: Reign of Chaos leans clearly harder on optimization.
DayZ
map knowledge and survival routines compound
Warcraft III: Reign of Chaos
Build orders, creeping routes, and matchup theory run deep
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.