head to head
Call of Duty: World at War asks more than Red Dead Redemption 2, and the gap is execution.

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

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Call of Duty: World at War leans Execution (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Call of Duty: World at War leans clearly harder on execution.
Call of Duty: World at War
Twitch gunfights in fast multiplayer lobbies
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Call of Duty: World at War leans clearly harder on reads.
Call of Duty: World at War
Human opponents reward positioning prediction
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Call of Duty: World at War leans a little harder on variance, though the gap is small.
Call of Duty: World at War
Random lobbies, spawns, and zombie waves
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Call of Duty: World at War leans a little harder on optimization, though the gap is small.
Call of Duty: World at War
Perk loadouts and map control are learnable
Red Dead Redemption 2
Loadouts and routes solvable but loose.
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.