head to head
Call of Duty: Black Ops asks more than Mario Sports Mix, and the gap is execution.

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

Execution · Competitive PvP
Party sports where light timing and item luck outweigh deep strategy.
Call of Duty: Black Ops leans Execution (Competitive PvP); Mario Sports Mix 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
Mario Sports Mix
Timing shots and blocks matters but stays party-game forgiving
Call of Duty: Black Ops leans clearly harder on reads.
Call of Duty: Black Ops
Reading human opponents' positioning and timing
Mario Sports Mix
Human opponents fake passes and shots in versus play
Mario Sports Mix leans a little harder on variance, though the gap is small.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Mario Sports Mix
Item drops and special shots inject deliberate chaos
Call of Duty: Black Ops leans clearly harder on optimization.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Mario Sports Mix
Shallow team and court knowledge caps quickly
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.