head to head
Call of Duty: Modern Warfare 2 asks more than Crash Bash, and the gap is optimization.

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

Execution · Competitive PvP
A Crash Bandicoot party collection of competitive arena minigames for up to four players.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); Crash Bash 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
Crash Bash
Minigame timing, mashing, and dodging decide most rounds
Call of Duty: Modern Warfare 2 leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
Crash Bash
Human rivals in versus minigames can be baited
Crash Bash leans a little harder on variance, though the gap is small.
Call of Duty: Modern Warfare 2
Spawn flips and killstreak randomness
Crash Bash
Item drops and arena randomness swing rounds
Call of Duty: Modern Warfare 2 leans clearly harder on optimization.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
Crash Bash
Light minigame strategies, quickly learned
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.