Building comparison
head to head
DayZvsWar Thunder
Neither is simply harder - they are hard in different places. DayZ demands more variance; War Thunder demands more optimization.
DayZ
Variance · Grand Arena
Hardcore survival sandbox where other players are scarier than the zombies.
War Thunder
Execution · Grand Arena
Sim-leaning combined-arms vehicle PvP.
DayZ leans Variance (Grand Arena); War Thunder leans Execution (Grand Arena).
DayZWar Thunder
Axis by axis
Execution6 vs 7
War Thunder leans a little harder on execution, though the gap is small.
DayZ
gunfights punish slow hands severely
War Thunder
Aim, lead, and vehicle handling demanding
Reads6 vs 6
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
DayZ
every survivor met may lie, ambush, or befriend
War Thunder
Position-versus-position duels are reads
Variance7 vs 5
DayZ leans clearly harder on variance.
DayZ
loot spawns and who you meet are unknowable
War Thunder
Shell ballistics and matchmaking vary
Optimization5 vs 7
War Thunder leans clearly harder on optimization.
DayZ
map knowledge and survival routines compound
War Thunder
Vehicle lineups and module unlocks 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.