head to head
Call of Duty: Modern Warfare 2 asks more than WWF WrestleMania 2000, and the gap is execution.

Execution · Competitive PvP
Blockbuster 2009 sequel famous for killstreak chains and frantic multiplayer.

Execution · Competitive PvP
A grapple-timing and guessing game built for couch competition.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); WWF WrestleMania 2000 leans Execution (Competitive PvP).
Call of Duty: Modern Warfare 2 leans clearly harder on execution.
Call of Duty: Modern Warfare 2
Fast time-to-kill rewards raw aim and reflex
WWF WrestleMania 2000
Grapple timing and reversal windows reward fast hands
Call of Duty: Modern Warfare 2 leans a little harder on reads, though the gap is small.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
WWF WrestleMania 2000
Versus friends, grapple-versus-strike guessing is a real mind game
Call of Duty: Modern Warfare 2 leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
WWF WrestleMania 2000
Momentum swings add some scripted drama
Call of Duty: Modern Warfare 2 leans clearly harder on optimization.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
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.