head to head
Call of Duty: Black Ops asks more than WWF WrestleMania 2000, and the gap is execution.

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

Execution · Competitive PvP
A grapple-timing and guessing game built for couch competition.
Call of Duty: Black Ops leans Execution (Competitive PvP); WWF WrestleMania 2000 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
WWF WrestleMania 2000
Grapple timing and reversal windows reward fast hands
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
WWF WrestleMania 2000
Versus friends, grapple-versus-strike guessing is a real mind game
Call of Duty: Black Ops leans a little harder on variance, though the gap is small.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
WWF WrestleMania 2000
Momentum swings add some scripted drama
Call of Duty: Black Ops leans clearly harder on optimization.
Call of Duty: Black Ops
Class builds, map control, zombies routing
WWF WrestleMania 2000
Move sets and reversal systems are learnable but shallow
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.