head to head
Digimon: Battle Spirit 2vsNaruto Shippuden: Ultimate Ninja Storm 3
Digimon: Battle Spirit 2 leans Execution (Competitive PvP); Naruto Shippuden: Ultimate Ninja Storm 3 leans Execution (Competitive PvP).
Digimon: Battle Spirit 2Naruto Shippuden: Ultimate Ninja Storm 3
Axis by axis
Execution6 vs 5
Digimon: Battle Spirit 2 leans harder on execution: Aerial mobility and hit timing decide orb collection
Reads4 vs 5
Naruto Shippuden: Ultimate Ninja Storm 3 leans harder on reads: PvP revolves around baiting substitutions from human opponents
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 3
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

