Quick answer
Carry mitigation tools when you enter uncertain fauna routes, but test them deliberately. Flares and Survival Tool response can change with patches, so record build-specific results.
Second-screen dive plan
What to do, what proves it, and when to leave
Equip mitigation before entering a suspicious route.
Threat cue at 00:24
Test one tool interaction, retreat while oxygen is comfortable, then decide whether the tool belongs in the loadout.
Hammerhead Threat Guide

Threat cue
Survival tools should be explained at the first readable threat cue, not after panic starts.
Approach
Test one tool interaction, retreat while oxygen is comfortable, then decide whether the tool belongs in the loadout.
Objective
Controlled tool-test anchor for flares, survival tool timing, and panic-free retreat practice.
Return
Use this to learn what a tool does before relying on it in a deep route.
Tactical brief
How to use this guide in a real dive
Flares and Survival Tool Guide is useful when the player needs a repeatable decision path, not just a short answer. Start with the page objective, then compare the map anchor, the first evidence frame, and the current Early Access status before committing to a longer dive. This keeps the guide practical when Subnautica 2 routes shift between patches.
On the atlas, this guide is tied to Flare Defense Test Pocket. Treat that marker as a route anchor: Controlled tool-test anchor for flares, survival tool timing, and panic-free retreat practice. The important player action is not simply reaching the dot, but using it to decide when to approach, what to scan or gather, and how to leave cleanly.
The first visual check is Threat cue (00:24). Use that frame as the reading order for the rest of the article: identify the landmark, confirm the objective, then watch for the mistake that would force a reset. Survival tools should be explained at the first readable threat cue, not after panic starts.
Route band
Tool test pocket, 300m - 650m
Test one tool interaction, retreat while oxygen is comfortable, then decide whether the tool belongs in the loadout.
Proof point
Threat cue (00:24)
Survival tools should be explained at the first readable threat cue, not after panic starts.
Abort rule
Waiting until the attack animation to choose a tool.
Use this to learn what a tool does before relying on it in a deep route.
After this
Hammerhead Threat Guide
A patch-tracking guide for Hammerhead behavior, Tadpole interactions, flare response, and safe escape routes.
Visual route
Follow the guide by screenshot evidence
Use these frames as a quick watch order: landmark first, objective second, exit condition third. It keeps the article useful even before you read every paragraph.

Threat cue
Survival tools should be explained at the first readable threat cue, not after panic starts.
Player action
Flares

Tool window
A tool window exists only while oxygen, spacing, and escape direction are still under control.
Player action
Equip mitigation before entering a suspicious route.

Route safety
Flares and defensive items are route tools: they buy time to leave, not permission to linger.
Player action
Waiting until the attack animation to choose a tool.
Video references
Watch or inspect the route before you dive
Open frame cards to compare local screenshot notes. Use the evidence to confirm landmarks, movement, and encounter pacing, then follow the written checklist below.
Threat cue frame review
Watch for: Start with Creature safety reference / Flares and survival tools at 00:24. Compare the screenshot cue, route note, and player action before following the guide in-game.
Tool window frame review
Watch for: Start with Creature safety reference / Flares and survival tools at 01:36. Compare the screenshot cue, route note, and player action before following the guide in-game.
Route safety frame review
Watch for: Start with Creature safety reference / Flares and survival tools at 03:00. Compare the screenshot cue, route note, and player action before following the guide in-game.
Field manual
Flares and Survival Tool Guide field manual
Built from the supplied route videos and local frame captures so the article teaches what to watch for, not only what to click.
Carry mitigation tools when you enter uncertain fauna routes, but test them deliberately. Flares and Survival Tool response can change with patches, so record build-specific results. Use this progression route manual as a second-screen checklist: identify the entry condition, confirm the objective with a visual proof point, then stop when the return rule is met. This keeps the article practical for Early Access patches without pretending every coordinate or state is final.
Primary job
Mitigation
Equip mitigation before entering a suspicious route.
Best entry habit
Flares
Test tools while you still have oxygen and distance.
Stop condition
Waiting until the attack animation to choose a tool.
Use one tool at a time so results are readable.
What to watch in the videos
Pause on Threat cue and identify the landmark, depth band, or objective state before following the next step.
Use Tool window to confirm what changed; if the video only shows a close-up, rebuild the route from the previous landmark.
Treat Route safety as the exit rule: finish the objective, return, and update storage or crafting before adding side goals.
Decision table
Waiting until the attack animation to choose a tool.
Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.
Testing flares and Survival Tool at the same time.
Use the video frame as evidence, but record entry, proof, and exit as separate notes.
Assuming every creature reacts the same way.
Return, craft, sort storage, or retest the route before turning this page into a longer objective chain.
Screenshot reading order

Threat cue
Survival tools should be explained at the first readable threat cue, not after panic starts.
Player action: Equip mitigation before entering a suspicious route.

Tool window
A tool window exists only while oxygen, spacing, and escape direction are still under control.
Player action: Test tools while you still have oxygen and distance.

Route safety
Flares and defensive items are route tools: they buy time to leave, not permission to linger.
Player action: Use one tool at a time so results are readable.
Map intel
Route anchors for this guide
Flare Defense Test Pocket
Controlled tool-test anchor for flares, survival tool timing, and panic-free retreat practice.
Player use
Use this to learn what a tool does before relying on it in a deep route.
Route hint
Test one tool interaction, retreat while oxygen is comfortable, then decide whether the tool belongs in the loadout.
Field checklist
Before leaving base
Flares
Primary action
Equip mitigation before entering a suspicious route.
Turn back when
Waiting until the attack animation to choose a tool.
Write down
Early Access / tracking / 2026-06-12
Database cards
Entities in this guide
These cards give players the scan target, material, creature, or structure they should be watching for while following the guide.

Leviathan-class wildlife
High-danger creature tier that shapes scouting, avoidance, and retreat routes.
Found in: Official Steam store description references towering Leviathans.
Action: Scan from safety, keep a return vector, and treat unknown silhouettes as route blockers.

Collector Leviathan
Named Leviathan-class encounter tracked by community location guides.
Found in: Third-party Leviathan guides and videos supplied for content research.
Action: Treat route reports as corridors, verify in the current build, and leave after the first safe observation.

Shiver Leviathan
Named Leviathan-class encounter that should be handled as a high-risk scouting target.
Found in: Third-party Leviathan guides and videos supplied for content research.
Action: Scout from the edge of the reported biome and keep the Tadpole pointed toward open water.

Great Jaw Leviathan
Named Leviathan-class encounter where route safety matters more than exact coordinates.
Found in: Third-party Leviathan guides and videos supplied for content research.
Action: Use route markers and avoid turning the first sighting into a full scan attempt.
Evidence board
Media and verification
Each guide now reserves space for footage, screenshots, map notes, and patch checks so the page can grow with real player evidence.

Thrill of the Deep
Official media for dangerous routes, predator awareness, and major threat pages.
Video references
3 embedded source cards
Route checks
5 checkpoints
Screenshot queue
Ready for owned gameplay captures
Gameplay frame gallery
Visual checkpoints from source footage
Frames are center-cropped from local research footage to keep the article focused on landmarks, nodes, creatures, and route cues.

Threat cue
Survival tools should be explained at the first readable threat cue, not after panic starts.

Tool window
A tool window exists only while oxygen, spacing, and escape direction are still under control.

Route safety
Flares and defensive items are route tools: they buy time to leave, not permission to linger.
Loadout and prerequisites
Route timeline
Follow the run in order
Built for second-screen use: complete each checkpoint, then move to the next landmark before detouring for extras.
Equip mitigation before entering a suspicious route.
Test tools while you still have oxygen and distance.
Use one tool at a time so results are readable.
Leave after a failed test instead of stacking panic actions.
Update the relevant creature page with the build date.
Guide notes
Tools need controlled tests
Mitigation is only useful when you know what it did. One variable, one route, one field note produces better guide data than a desperate escape where everything happened at once.
Where this guide connects
Hammerhead, Marrowbreach, and Nibbler pages all need mitigation notes. This page keeps the testing method consistent across creatures.
Risk controls
Common mistakes
These are the actions most likely to waste oxygen, lose the route, or turn a clean scan into a failed attempt.
Waiting until the attack animation to choose a tool.
Testing flares and Survival Tool at the same time.
Assuming every creature reacts the same way.
FAQ
Fast answers before you dive
Is this guide for the current Subnautica 2 build?
This page is written for Early Access and includes a visible update date. Treat exact values as tracking notes until the current build is field-tested.
Does this page use official screenshots?
Pages combine attributed official Steam / Unknown Worlds media, local gameplay frame captures, and source-video evidence cards. New player-submitted captures should keep the route, timestamp, and build context attached.
Community notes
Add a field report
Player reports enter a moderation queue. Approved notes can load from Supabase; pending drafts stay visible in this browser for follow-up.
Near starter shallows
Approx. 70-120m from pod
Confirm oxygen before leaving the first landmark. The route is much safer when you mark the return path before collecting side materials.
Guide-wide
N/A
Creature patrol ranges and fragment placement can shift between builds, so treat exact distances as field estimates until multiple players confirm them.