Player Tools
Tools for Pioneers
Self-built calculators tuned for Subnautica 2's known mechanics. No login, no tracking beyond anonymous Plausible analytics.
Tool 01
Depth + Oxygen Calculator
Pick your tank, vehicle and DNA modifications. Get the safe free-dive depth and total oxygen budget for that loadout.
Tool 02
Base Resource Planner
Add the modules you plan to build. Get the total Titanium, Glass and Power Cell cost so you know what to mine before you swim home.
Tool 03
Biome Cheat Sheet
All 8 confirmed and predicted biomes at a glance — depth, threat rating, top 3 resources, top 2 threats.
| Biome | Depth | Threat | Top Resources | Top Threats |
|---|---|---|---|---|
| Twisty Bridges | 0-100m | 1/5 | Titanium · Copper · Quartz | Early cave hazard (unconfirmed) |
| Kelp Forest | 20-160m | 2/5 | Vegetation sample · Early crafting flora · Silver Ore | Vegetation-zone predator (unconfirmed) |
| Crash Zone | 0-180m | 3/5 | Wreckage Fragments · Magnetite · Lithium | Large predator (unconfirmed) · Cave hazard |
| Grand Reef | 200-400m | 3/5 | Magnetite · Gold · Lithium | Deep predator (unconfirmed) |
| Mushroom Forest | 100-260m | 2/5 | Tree Mushroom · Diamond · Lead | Mid-depth predator (unconfirmed) |
| Brine-Style Deep Route | 500-900m | 4/5 | Late-game ore · Magnetite · Lithium | Deep predator (unconfirmed) |
| Ice Shelf (Co-op) | 0-80m | 2/5 | Cold-region material · Lithium · Sulphur | Cold-region predator (unconfirmed) |
| Abyssal Trench | 1000m+ | 5/5 | Deep crystal resource · Late-game energy resource · Sulphur | Large deep threat (unconfirmed) |