head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
A gritty WWII Call of Duty that introduced the Zombies mode.

Execution · Practiced Mastery
An arcade-style American football simulation with licensed NFL teams.
Call of Duty: World at War leans Execution (Practiced Mastery); ESPN NFL PrimeTime 2002 leans Execution (Practiced Mastery).
Call of Duty: World at War leans a little harder on execution, though the gap is small.
Call of Duty: World at War
Twitch gunfights in fast multiplayer lobbies
ESPN NFL PrimeTime 2002
player control precision on plays
ESPN NFL PrimeTime 2002 leans a little harder on reads, though the gap is small.
Call of Duty: World at War
Human opponents reward positioning prediction
ESPN NFL PrimeTime 2002
reading opponent playcalling in human matches
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: World at War
Random lobbies, spawns, and zombie waves
ESPN NFL PrimeTime 2002
play outcome randomness meaningful
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: World at War
Perk loadouts and map control are learnable
ESPN NFL PrimeTime 2002
playbook and roster strategy solvable
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.