Stars Reach Mining: How to Dig Without Getting Buried
Stars Reach mining is not a node-clicking minigame. The terrain is a simulated volume you physically remove, the holes you make persist, and the ceiling above your head is subject to the same physics as everything else. Dig carelessly through soft material and it will come down on you.
That simulation is the reason mining here is worth a guide at all, and it is also why the most useful early advice is about not dying rather than about yield.
The Terraformer, and a naming warning
The basic mining tool in the live build is called the Terraformer. You aim it at a spot on the ground, press and hold, and a beam begins tunnelling. That is the entire core interaction, and it is deliberately simple — the depth comes from the terrain simulation, not from the tool's controls.
One warning before you read any other guide. Official design posts from 2024 refer to this tool as the 'extractor'. The name changed. If a guide you are reading uses the older term, it predates Early Access, and other specifics in it may be equally out of date. This is a widespread problem with Stars Reach documentation right now, because a great deal of it was written during the pre-alpha period.
The tool also handles the reverse operation. Terraforming in this game is not a separate system from mining — you are moving material either way, and the same simulation governs what happens to the terrain you leave behind.
Mining is a skill tree like any other
Because every skill tree is bound to a tool, holding the Terraformer is what advances your mining tree. It also occupies one of your five tool slots, which is a real cost when you are trying to run a mixed build.
How material separation works
The system is designed to skim off anything worthwhile into your inventory automatically and separate out the rest. You do not manually pick ore out of rubble.
What you do have to manage is the waste. The separated material accumulates, and when the container is full you have to eject it. Managing that cycle is the practical rhythm of a mining session, and forgetting about it is how a productive dig stalls.
The implication for a new miner is that inventory pressure, not tool speed, is usually what limits how long you can stay underground. Plan a session around where you will offload rather than around how deep you intend to get.
Prospecting: find it before you dig
Blind tunnelling works for basic material but is a poor way to find anything specific. The game provides prospecting for that.
Short-range prospecting lets you see the locations of minerals underground within a relatively small radius. It converts mining from guesswork into something closer to a search problem — sweep, identify, then dig toward what you have found rather than hoping.
Surveying is introduced during the Haven tutorial by Bruna, whose Pathfinder training covers surveying nodes. If you skipped or rushed that introduction, this is the mechanic you missed, and it is worth going back for.
For anything beyond casual mining, prospecting first is the difference between a targeted dig and an afternoon of moving rock.
Hazard one: cave-ins
Getting buried alive is described by the developers as the signature hazard of mining, and it behaves the way the phrase implies.
Ceilings collapse, and they are especially prone to it when you are tunnelling through softer material. The countermeasure is ceiling supports — the Steam store page lists mining in caves as hazardous specifically without proper ceiling supports, which tells you the game expects you to place them rather than avoid the situation.
The practical habit to build early: when you break into an open space or start a horizontal run through soft ground, support as you go rather than after you notice the ceiling is unhappy. Retroactive support is not a thing you can do from underneath a collapse.
Hazard two: what is in the rock
Tunnelling can break into pockets of trapped gas. Ammonia is named explicitly in the developer material, as is the possibility of digging into uranium.
This turns depth into a genuine risk calculation rather than just a time cost. A tunnel that is going well can become lethal in a moment because of what was on the other side of the wall you just removed, and you do not necessarily get a warning.
There is no substitute for caution here. Move in shorter bursts when you are in unfamiliar material, and treat an unexpected change in the terrain you are cutting through as information rather than as an inconvenience.
The exit problem
The third thing that kills new miners is not a hazard the game advertises. It is digging a steep shaft downward and then discovering that getting back up is considerably harder than getting down was. Plan your route out before you commit to depth — this is where the Grapple and Grav Mesh traversal tools earn their keep.
Mining changes the world permanently
Everything you remove stays removed. This is not a cosmetic detail — it is the point of the simulation, and it has consequences that extend well beyond your own session.
The wider environmental model is genuinely reactive: rivers flow and can flood, forests burn and the burn changes the land afterwards, lava hardens into new material and new land masses. Carving channels through terrain redistributes water flow. A tunnel you dig is a permanent alteration to a shared world on a shared server.
That cuts both ways for a new player. It means careless digging near a settlement or a watercourse can cause problems for other people. It also means mining is one of the few activities in any MMO where your work leaves a mark that outlasts you.
A sensible first mining session
- Complete Clint Rockford's Terraformer training on Haven properly rather than skipping through it. It is the only structured introduction the game gives you.
- Go back and do Bruna's surveying training too, so you have prospecting rather than blind digging.
- Pick a target material and prospect for it before cutting anything.
- Dig at a shallow angle rather than straight down. You are trading a little time for a route you can walk back out of.
- Support the ceiling as you advance through soft material, not after.
- Watch your container fill and plan the offload before it forces you to stop somewhere inconvenient.
- When the material you are cutting changes character unexpectedly, slow down — that is when gas pockets appear.
Is mining worth specialising in?
In a game where every item is player-crafted, raw material extraction sits at the base of the entire economy, which makes miners structurally valuable in a way they are not in games with vendor-bought materials.
The caveat is the same one that applies across Stars Reach right now: the economy needs population to function. With concurrency in the low hundreds, there may be limited demand for what you extract, and the crafting trees that would consume your output progress slowly for the same reason.
Mining does have one advantage over the support professions during a quiet period. Because it is a gathering activity carrying its own risk, its progression is less dependent on other players consuming your output than weaponsmithing or medical work is. If you want to advance reliably in a thin population, extraction is a better bet than production.
How mining connects to everything else
Mining is worth understanding even if you never intend to specialise in it, because it sits underneath most of the rest of the game.
It is the base of the economy. Every item in Stars Reach is player-crafted, and crafting requires materials that someone extracted. There is no vendor shortcut around this, which puts extraction at the foundation of all equipment in the world.
It is also the same toolset as building. The Terraformer that tunnels through rock is the tool that landscapes a homestead plot, and the terrain physics governing a mine shaft are the physics governing your foundations. Learning to mine is learning to build.
And it is the most reliable progression path currently available. Because extraction earns experience from your own actions and carries its own risk, mining advances regardless of how many other players are online — unlike the crafting and support professions that depend on someone consuming your output.
For a new player in the August 2026 build, that combination makes mining the most useful first specialisation: it progresses reliably, it teaches the terrain system, and it feeds the profession most players eventually want to try.
Mining and the wipe
One piece of timing advice specific to the current period.
A progression wipe lands before 1.0, which means the materials you stockpile and the skills you develop now are both temporary. That makes hoarding pointless and experimentation free.
The useful thing to extract from Early Access mining is therefore knowledge rather than resources: what different materials behave like when cut, which ground types are prone to collapse, how far short-range prospecting actually reaches, and what a gas pocket looks like before it becomes a problem.
None of that is written down anywhere authoritative, all of it is learnable in an afternoon, and unlike your ore it survives the wipe intact.
Common questions
How does mining work in Stars Reach?
You use a tool called the Terraformer, aim it at terrain and hold the button to tunnel through it. The system automatically skims worthwhile materials into your inventory and separates the waste, which you eject when your container fills.
What is the mining tool in Stars Reach called?
The Terraformer. Older official posts from 2024 call it the 'extractor' — that name is outdated, and a guide still using it was written before Early Access.
Why do I keep getting buried in Stars Reach?
Ceilings collapse, particularly when you tunnel through softer material. The game expects you to place ceiling supports as you dig rather than avoid unstable ground. Getting buried alive is described by the developers as mining's signature hazard.
What gases are dangerous when mining in Stars Reach?
Tunnelling can break into trapped gas pockets, with ammonia named explicitly in developer material. Digging into uranium is also mentioned as a possibility. There is not always a warning before you cut into one.
How do I find specific minerals in Stars Reach?
Use prospecting. Short-range prospecting shows the locations of minerals underground within a relatively small radius, turning mining into a targeted search rather than blind tunnelling. Surveying is introduced by Bruna during the Haven tutorial.
Sources for this page
Every factual claim above traces to one of these. Where two sources disagreed, the disagreement is stated in the text rather than resolved silently.
- 01Playable Worlds — Mining in Stars Reach — The Terraformer's basic operation, automatic material separation and waste ejection, short-range prospecting, and the named hazards including cave-ins, ammonia and uranium.
- 02Stars Reach on Steam — The statement that mining in caves is hazardous without proper ceiling supports, plus the wider environmental simulation behaviours.
- 03MadcapWarrior — Mining, Terraforming and Physics: The Ultimate Guide — Launch-build footage of the Terraformer in use and the terrain physics in practice, used to confirm current tool naming against the older official posts.
- 04GUNC Stars Reach Field Guide — Community documentation of the Haven tutorial sequence, including Clint Rockford's Terraformer training and Bruna's surveying training.

Editor, Stars Reach Hub
Sukie is the editor of Stars Reach Hub. She has followed sandbox MMOs since the Star Wars Galaxies era and covers Stars Reach through its Early Access period.
Last reviewed August 23, 2026 · How we fact-check
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