head to head
vs
Halo 2vsSplatoon 2
Halo 2 leans Execution (Pure Mechanics); Splatoon 2 leans Execution (Practiced Mastery).
Halo 2Splatoon 2
Axis by axis
Execution8 vs 7
Halo 2 leans harder on execution: BR precision and movement tricks online
Reads5 vs 5
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization5 vs 6
Splatoon 2 leans harder on optimization: loadout and turf strategy solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.