How deep you can go is set by your pressure hull. The Otter leaves the dock with a Mk I hull rated to 450 m; hull upgrades take it to 600 m and then 750 m. Depth in the game is measured in metres, and one metre is one stud.
Check any depth
Pick your hull and move the slider to see the zone, what pressure does to you, and which biomes lie at that depth.
Otter hull
Zone
Pressure
Biomes at this depth
What happens below crush depth
- The hull loses 25 points a second. Every 100 m further down adds the same again.
- Compartments start to breach (a 10% chance each second) and break down (6% each second). Crew and compartments explains how the crew deals with it.
- From 120 m above crush depth your HUD counts down with CRUSH DEPTH IN … M. Below it, the HUD reads HULL BREACH.
Depth zones
| Zone | Depth | Otter hull |
|---|---|---|
| Sunlit Shallows | 0–300 m | Mk I all the way |
| Twilight Zone | 300–700 m | Mk I to 450 mMk II to 600 mMk III all the way |
| Midnight Zone | 700–1,100 m | Mk III to 750 m |
| The Abyss | 1,100–1,600 m | deeper than any hull |
| The Void | below 1,600 m | deeper than any hull |
How deep it is where
- The Rim
- A · Sunlit Shelf
- B · Twilight Shelf
- C · Midnight Slope
- D · Abyssal Basin
- The Void
The line is the usual depth of the seabed at that distance from the centre; the pale band shows how much the terrain varies. The vertical scale is stretched about 3.5 times. Drawn from the game’s own height map.