head to head
Call of Duty: Black Ops asks more than Rocky Legends, and the gap is execution.

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

Execution · Competitive PvP
Punch timing and counter prediction in movie-licensed boxing.
Call of Duty: Black Ops leans Execution (Competitive PvP); Rocky Legends 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
Rocky Legends
Punch timing and blocking windows carry every exchange
Call of Duty: Black Ops leans a little harder on reads, though the gap is small.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Rocky Legends
Human opponents feint and bait counters in versus
Call of Duty: Black Ops leans clearly harder on variance.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Rocky Legends
Little randomness beyond minor damage rolls
Call of Duty: Black Ops leans a little harder on optimization, though the gap is small.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Rocky Legends
Training allocation and counter knowledge are plannable
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.