2 is easy to miss entirely and awkward to look up once you have, which is a common combination in No Man's Sky.
Short answer
It is worth understanding once properly, because a lot of other things in No Man's Sky refer back to it.
- Note where it first appears, so you can go back if you need to.
- Expect its role to have shifted at least once across updates.
- Keep a save or backup from before you start — it costs nothing and occasionally saves an evening.
No Man's Sky has been rewritten by updates so many times that old guides describe a different game. The wiki entry is thorough and buries the actually useful part six paragraphs down. Early impressions of it are usually wrong in the same specific way.
Whether it is worth going out of your way for
What follows assumes you are on a current install and have not modified it. Two similarly named things exist, and mixing them up explains a lot of contradictory advice. Its practical value is narrow and real, rather than broad and theoretical. Where two approaches both work, the one with fewer moving parts is the one to keep.
If you only remember one thing about it, remember where it appears. There is a persistent myth attached to it that has never been true in any version. Where something depends on your platform or region, that is called out rather than glossed over.
What it changes in practice
Whether it is worth going out of your way for depends entirely on how you are playing. The in-game description is technically accurate and practically useless. The developers have changed their mind about this at least once, which explains the older advice.
- Read the in-game description once, then ignore it.
- Ask what it is for before asking how to get it.
- Read the whole sequence once before doing the first step.
- Do not build a plan around it before you have seen it work.
Where you encounter it
It shows up in more places than its introduction suggests, once you know to look. Its role has changed across updates, so older discussion describes something slightly different. Nothing here assumes a particular playstyle beyond wanting the thing to work. Most guides mention it in passing and none of them stop to define it.
It is more consequential in the late game than the early one, which is why first impressions mislead. Anything that behaves differently on console than on PC is flagged where it matters. Knowing this does not make you better at No Man's Sky, but it does make the rest of it legible.
Why people keep asking about it
The game introduces it quickly and assumes you picked it up, which is where the confusion starts. Half the pages on this topic were written for a build that no longer exists, which is why they stop matching what you see. The name is descriptive if you already know what it does, and opaque if you do not.
It is the kind of thing veterans forget they ever had to learn. Patch notes move numbers around constantly; the shape of the answer holds even when a specific value shifts. Community shorthand around it has drifted far enough from the original meaning to cause arguments.
What it is
It appears in supplementary material in more detail than it does in the game itself. It helps to understand why a step exists, because then you can adapt it when your situation is slightly different. It became noticeably more relevant after a change the patch notes barely mentioned.
Where people go wrong
- Trusting a video thumbnail that promises a result the video never actually shows.
- Treating a rare edge case as the normal behaviour and planning around it.
- Skipping the prerequisite because it looked optional in someone else's summary.
No Man's Sky FAQ
What if none of this works for me?
Then something in your setup differs from the assumption — version, region or platform. Check those three before anything else.
Why do other guides describe this differently?
Most were written for an earlier version and never revisited. Compare the steps against what your build actually shows.
What is 2 in No Man's Sky?
The short answer is above. The longer one is that it fills a specific role, and understanding that role explains why it keeps coming up.
Do I need any mods or third-party tools for this?
No. Everything described here works with the base game on any supported platform.
If you only take one thing from this: the answer near the top is the part that matters, the rest is context.