head to head
vs
Batman: Arkham CityvsWatch Dogs
Batman: Arkham City leans Execution (Practiced Mastery); Watch Dogs leans Optimization (Practiced Mastery).
Batman: Arkham CityWatch Dogs
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 2
Watch Dogs leans harder on variance: Guard placements are knowable on approach
Optimization5 vs 6
Watch Dogs leans harder on optimization: Hacking chains and camera routes make stealth 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.