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

Reads · Grand Arena
Tests slow-melee dueling and predicting human extraction squads under loot RNG.

Execution · Grand Arena
Sim-leaning combined-arms vehicle PvP.
Dark and Darker leans Reads (Grand Arena); War Thunder leans Execution (Grand Arena).
War Thunder leans a little harder on execution, though the gap is small.
Dark and Darker
Slow melee timing, spacing and spell aim decide fights
War Thunder
Aim, lead, and vehicle handling demanding
Dark and Darker leans a little harder on reads, though the gap is small.
Dark and Darker
Third-partying, baiting and outplaying human squads is central
War Thunder
Position-versus-position duels are reads
Dark and Darker leans a little harder on variance, though the gap is small.
Dark and Darker
Loot rolls, spawns and circle placement shape every raid
War Thunder
Shell ballistics and matchmaking vary
War Thunder leans a little harder on optimization, though the gap is small.
Dark and Darker
Gear economy, class builds and dungeon routes reward grinding knowledge
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.