Best Game is one of those parts of Call of Duty that the game itself introduces and then never revisits.
Short answer
It matters more than its screen time suggests, which is why it keeps coming up.
There is a persistent myth attached to it that has never been true in any version. Two similarly named things exist, and mixing them up explains a lot of contradictory advice. Where something depends on your platform or region, that is called out rather than glossed over.
Why people keep asking about it
It is more consequential in the late game than the early one, which is why first impressions mislead. The game introduces it quickly and assumes you picked it up, which is where the confusion starts. The developers have changed their mind about this at least once, which explains the older advice. The wiki entry is thorough and buries the actually useful part six paragraphs down.
It appears in supplementary material in more detail than it does in the game. Do the cheap check before the expensive one — that ordering alone saves most of the frustration. Knowing this does not make you better at Call of Duty, but it does make the rest of it legible.
Common misunderstandings
Its role has changed across updates, so older discussion describes something slightly different. If you are coming to this after a long break, the terminology has probably moved on. Whether it is worth going out of your way for depends entirely on how you are playing.
- Treat wiki trivia sections as trivia rather than mechanics.
- Note where it first appears, so you can go back if you need to.
- Keep a save or backup from before you start — it costs nothing and occasionally saves an evening.
- It rewards attention rather than preparation.
- Check which version of Call of Duty any discussion of it is describing.
- Expect one number in every guide to be out of date; the method is what matters.
What it is
Community shorthand around it has drifted far enough from the original meaning to cause arguments. Where two approaches both work, the one with fewer moving parts is the one to keep. Patch notes move numbers around constantly; the shape of the answer holds even when a specific value shifts. If your result differs from what is described here, note what is different first rather than starting over.
What follows assumes you are on a current install and have not modified it. Anything that behaves differently on console than on PC is flagged where it matters. Most of the disagreement you will find online is two people describing different builds.
Where you encounter it
Treat anything stated without a version number as provisional. The community wisdom on this is roughly half right, and the half that is wrong costs the most time. The short version is near the top on purpose; the reasoning is there if you want to know why.
It helps to understand why a step exists, because then you can adapt it when your situation is slightly different. There is usually a fast way and a reliable way, and it is worth knowing which one you are choosing. Call of Duty is not shy about hiding useful information two menus deep, so some of this is simply knowing where to look.
What it changes in practice
If a step reads as obvious, do it anyway — the obvious ones are the ones people skip and then wonder about. The awkward part is rarely the step itself, it is knowing which step comes first. None of this needs a paid tool, a third-party launcher or an account on a site you have never heard of.
Where people go wrong
- Grinding a method that was patched months ago because a thread still ranks well.
- Skipping the prerequisite because it looked optional in someone else's summary.
- Ignoring the platform-specific note and then wondering why the steps do not line up.
- Trusting a video thumbnail that promises a result the video never actually shows.
Call of Duty FAQ
Is this still accurate after the latest Call of Duty update?
The method is; individual numbers may not be. If a value on your screen differs, trust the screen and keep the sequence.
Where can I read more?
The official material covers it in more depth than the game does, and considerably more reliably than aggregated fan pages.
Is it important?
More than its screen time implies, less than the discussion around it implies. Somewhere in the middle.
Can I miss it?
Where it is missable, that is noted above. Most players encounter it without going looking for it.
If you only take one thing from this: the answer near the top is the part that matters, the rest is context.