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Mining & Depth

Last updated: Aug 19, 2026 · verified in-game

Surface Dunes0–40m · Loose sand⛏ 1/5Layer 1 — Dry Pack40–120m · Packed dry sand⛏ 2/5Layer 2 — Copper Veins120–260m · Copper-bearing packed sand⛏ 3/5Layer 3 — Wet Sand260–480m · Wet sand + iron traces⛏ 4/5★ 48 sand/s zoneLayer 4 — Ancient Sediment480–800m · Sediment + ??? fragments⛏ 5/5Layer 5 — The Ruins800m+ · Unknown⛏ ?/5depth →

cross-section, not to scale. the walls ARE out to get you below 120m.

💡 Bring 2× the supports you think you need for Layer 3. Then bring one more.
"Tested: drill on Layer 3, output belt under 12 tiles — steady 48 sand/sec. Rich seam near grid C4."
— Community report, Aug 18, 2026
Official store screenshot: mining out a deep sand pocket underground
digging out a deep pocket. walls hold until they don't.
LayerDepthMaterialMin. ToolYieldField Notes
Surface Dunes0–40mLoose sandHands / Survey KitCSafe. Sand flows downhill — use it.
Layer 1 — Dry Pack40–120mPacked dry sandMining Drill Mk1BFirst real ore traces. No hazards.
Layer 2 — Copper Veins120–260mCopper-bearing packed sandDrill Mk1 (slow) / Mk2BCave-in risk if you undercut walls. Wash, don't crush.
Layer 3 — Wet Sand260–480mWet sand + iron tracesDeep Drill Mk2SBest raw throughput in the game so far (48 sand/s spots).[? Needs verification]
Layer 4 — Ancient Sediment480–800mSediment + ??? fragmentsDeep Drill Mk2 + supportsAFragments react to the research screen. Not fully mapped.
Layer 5 — The Ruins800m+UnknownSee Ancient SecretsSSpoilers beyond this point.

Hardness scale 1–5 measured as Mk1 drill time-to-breach, relative. Iron distribution on Layer 3 still being mapped.[? Needs verification]

Last updated: Aug 19, 2026 · verified in-game