head to head
Call of Duty: Black Ops 4 asks more than Super Mario World, and the gap is reads.

Execution · Pure Mechanics
A fast military shooter where twitch aim against human opponents defines success.

Execution · Pure Mechanics
Precise jump execution across fixed levels with secrets to memorise.
Call of Duty: Black Ops 4 leans Execution (Pure Mechanics); Super Mario World leans Execution (Pure Mechanics).
Call of Duty: Black Ops 4 leans clearly harder on execution.
Call of Duty: Black Ops 4
aim and reflexes decide most fights
Super Mario World
Perfect inputs trivialise every jump, spin and cape flight
Call of Duty: Black Ops 4 leans clearly harder on reads.
Call of Duty: Black Ops 4
predicting human opponents' positioning
Super Mario World
Scripted Koopas adapt to nothing
Call of Duty: Black Ops 4 leans clearly harder on variance.
Call of Duty: Black Ops 4
battle royale loot is heavily random
Super Mario World
Levels are fixed; nothing hidden survives one playthrough
Call of Duty: Black Ops 4 leans a little harder on optimization, though the gap is small.
Call of Duty: Black Ops 4
loadouts and rotations are solvable
Super Mario World
Secret exits and route knowledge add a modest solvable layer
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.