head to head
vs
Batman: Arkham CityvsSpawn: Armageddon
Batman: Arkham City leans Execution (Practiced Mastery); Spawn: Armageddon leans Execution (Practiced Mastery).
Batman: Arkham CitySpawn: Armageddon
Axis by axis
Execution5 vs 6
Spawn: Armageddon leans harder on execution: Melee combos and shooting demand timing
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 2
Spawn: Armageddon leans harder on variance: Minor randomness in enemy encounters
Optimization5 vs 5
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.