head to head
Call of Duty: Black Ops asks more than Knightfall: A Daring Journey, and the gap is execution.

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

Execution · Competitive PvP
A chaotic multiplayer horse-racing game testing control and prediction against human riders.
Call of Duty: Black Ops leans Execution (Competitive PvP); Knightfall: A Daring Journey 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
Knightfall: A Daring Journey
Horse drifting and gun control demand precise input
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
Knightfall: A Daring Journey
Racing against human opponents rewards prediction
Knightfall: A Daring Journey leans a little harder on variance, though the gap is small.
Call of Duty: Black Ops
Spawns, care packages, zombies RNG
Knightfall: A Daring Journey
Physics chaos adds unpredictable outcomes
Call of Duty: Black Ops leans clearly harder on optimization.
Call of Duty: Black Ops
Class builds, map control, zombies routing
Knightfall: A Daring Journey
Route and shortcut knowledge help marginally
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.