head to head
Call of Duty: Black Ops asks more than Naruto Shippuden: Ultimate Ninja Storm Revolution, and the gap is execution.

Execution · Competitive PvP
Cold War-era shooter pairing twitch multiplayer with the cult Zombies mode.

Execution · Competitive PvP
Simple-input arena fighting decided by baiting human defensive resources.
Call of Duty: Black Ops leans Execution (Competitive PvP); Naruto Shippuden: Ultimate Ninja Storm Revolution leans Execution (Competitive PvP).
Call of Duty: Black Ops leans clearly harder on execution.
Call of Duty: Black Ops
Gunfights hinge on aim and reaction speed
Naruto Shippuden: Ultimate Ninja Storm Revolution
Combo and counter timing on intentionally simple inputs
Call of Duty: Black Ops leans clearly harder on reads.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Naruto Shippuden: Ultimate Ninja Storm Revolution
Baiting a human's substitutions and guard breaks matters
Call of Duty: Black Ops leans clearly harder on variance.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Naruto Shippuden: Ultimate Ninja Storm Revolution
Fully visible fights with nothing hidden
Call of Duty: Black Ops leans clearly harder on optimization.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Naruto Shippuden: Ultimate Ninja Storm Revolution
Team and awakening type picks are a shallow solvable layer
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.
full breakdown
Call of Duty: Black Ops →
full breakdown
Naruto Shippuden: Ultimate Ninja Storm Revolution →