head to head
Call of Duty: Modern Warfare 2 asks more than Nintendo Land, and the gap is execution.

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

Execution · Competitive PvP
Wii U minigame park whose asymmetric hide-and-seek modes shine with friends.
Call of Duty: Modern Warfare 2 leans Execution (Competitive PvP); Nintendo Land 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
Nintendo Land
Motion and GamePad dexterity across minigames
Call of Duty: Modern Warfare 2 leans clearly harder on reads.
Call of Duty: Modern Warfare 2
Outguessing human rotations and flanks
Nintendo Land
Asymmetric chase games create real human mind-games
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
Nintendo Land
Some random layouts and item spawns
Call of Duty: Modern Warfare 2 leans clearly harder on optimization.
Call of Duty: Modern Warfare 2
Killstreak economy, loadout and map knowledge
Nintendo Land
Per-attraction tactics, mostly 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.