Video walkthrough
Watch the route, then follow the written steps
Video references
Watch or inspect the route before you dive
Click YouTube cards to load the player. Open frame cards to compare local screenshot notes. Use the evidence to confirm landmarks, movement, and encounter pacing, then follow the written checklist below.
Bio Scanner upgrade route reference
Watch for: Bio Scanner upgrade location, BioMod route planning, scan-target choice, and upgrade confirmation.
Adaptation scan frame review
Watch for: Start with BioMods and scanner upgrade guide / Bio Scanner upgrade at 01:29. Compare the screenshot cue, route note, and player action before following the guide in-game.
Loadout check frame review
Watch for: Start with BioMods and scanner upgrade guide / Bio Scanner upgrade at 16:17. Compare the screenshot cue, route note, and player action before following the guide in-game.
Video watch notes
What to pause, compare, and write down
Do not watch the video like entertainment only. Use these notes as a second-screen checklist: pause on landmarks, confirm the player action, then return to the written route.
Watchlist
Pause on Upgrade console and identify the landmark, depth band, or objective state before following the next step.
Use Adaptation scan to confirm what changed; if the video only shows a close-up, rebuild the route from the previous landmark.
Treat Loadout check as the exit rule: finish the objective, return, and update storage or crafting before adding side goals.
Upgrade console
The upgrade console is the point where creature scanning becomes a progression route.
Action: Follow the scanner upgrade route until the upgrade state is confirmed.
Adaptation scan
Choose the adaptation scan that solves the next blocker instead of scanning blindly.
Action: Check whether the upgrade changes available scan targets or creature reads.
Loadout check
Finish by checking the loadout so the BioMod route turns into usable progress.
Action: Pick one BioMod objective instead of scanning every creature blindly.
Video route timeline
Turn the video into playable checkpoints
Use this section like a second-screen route sheet. Open each checkpoint, compare the frame, do the action, then stop if your route no longer matches the video evidence. It keeps the guide useful even when Early Access shifts small placements or creature behavior.
07:24Checkpoint 1: Follow the scanner upgrade route until the upgrade state is confirmed.The upgrade console is the point where creature scanning becomes a progression route.Expand
Upgrade console
The upgrade console is the point where creature scanning becomes a progression route.
Player action
Follow the scanner upgrade route until the upgrade state is confirmed.
Proof before moving on
The upgrade console is the point where creature scanning becomes a progression route.
Watch this timestampIf this fails
Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.
01:29Checkpoint 2: Check whether the upgrade changes available scan targets or creature reads.Choose the adaptation scan that solves the next blocker instead of scanning blindly.Expand
Adaptation scan
Choose the adaptation scan that solves the next blocker instead of scanning blindly.
Player action
Check whether the upgrade changes available scan targets or creature reads.
Proof before moving on
Choose the adaptation scan that solves the next blocker instead of scanning blindly.
Watch this timestampIf this fails
Use the video frame as evidence, but record entry, proof, and exit as separate notes.
16:17Checkpoint 3: Pick one BioMod objective instead of scanning every creature blindly.Finish by checking the loadout so the BioMod route turns into usable progress.Expand
Loadout check
Finish by checking the loadout so the BioMod route turns into usable progress.
Player action
Pick one BioMod objective instead of scanning every creature blindly.
Proof before moving on
Finish by checking the loadout so the BioMod route turns into usable progress.
Watch this timestampIf this fails
Return, craft, sort storage, or retest the route before turning this page into a longer objective chain.
07:24Checkpoint 4: Return after the target scan and update the BioMod loadout plan.The upgrade console is the point where creature scanning becomes a progression route.Expand
Upgrade console
The upgrade console is the point where creature scanning becomes a progression route.
Player action
Return after the target scan and update the BioMod loadout plan.
Proof before moving on
The upgrade console is the point where creature scanning becomes a progression route.
Watch this timestampIf this fails
Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.
Gameplay evidence
Screenshots to match before you keep swimming
Use these frames as visual checkpoints. If the terrain, lighting, or landmark does not match, slow down and re-check the route instead of forcing the next step.
Upgrade console
The upgrade console is the point where creature scanning becomes a progression route.
Adaptation scan
Choose the adaptation scan that solves the next blocker instead of scanning blindly.
Loadout check
Finish by checking the loadout so the BioMod route turns into usable progress.
Route decision lab
Decide if this route is worth running now
This section turns the video into a practical in-game decision. Use it before leaving base, after the first landmark, and again before entering a deeper or darker area.
Route purpose
Get the Bio Scanner upgrade before treating creature scans as progression. Confirm the scanner upgrade route, craft or install it, then use creature pages to plan which BioMod scan actually solves the next blocker.
Visual checkpoint
The upgrade console is the point where creature scanning becomes a progression route.
Map anchor
Bio Scanner Upgrade Anchor in Scanner upgrade route. Use it for use this before creature-scan routes so biomod goals do not turn into blind scanning.
Abort rule
Trying to farm BioMods before the scanner route is ready.
Field manual translation
Get the Bio Scanner upgrade before treating creature scans as progression. Confirm the scanner upgrade route, craft or install it, then use creature pages to plan which BioMod scan actually solves the next blocker. Use this completion 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
Bio Scanner - Follow the scanner upgrade route until the upgrade state is confirmed.
Best entry habit
Scanner - Check whether the upgrade changes available scan targets or creature reads.
Stop condition
Trying to farm BioMods before the scanner route is ready. - Pick one BioMod objective instead of scanning every creature blindly.
Patch-safe reading
Exact item positions can shift during Early Access. The useful part of this page is the route logic: what to prepare, what visual cue to confirm, what objective to finish, and when to turn back.
Updated
2026-06-12 / field-tested / Early Access
What this guide covers
Requirements
- Scanner
- Upgrade route
- BioMod target
Use this if
You want a route you can follow from video evidence without needing exact official coordinates. The screenshots and steps are written to help you recognize areas, landmarks, and decisions while playing.
Early Access can move details. Treat this as a video-based walkthrough and verify landmarks in your own build.
Step-by-step walkthrough
Follow the video route without guessing
Follow the scanner upgrade route until the upgrade state is confirmed.
Use this step as a route checkpoint, not as a promise that every object spawns in one exact coordinate. Match the landmark, compare the screenshot, then continue only if the return path is still clear.
If your game build looks different, stay with the same decision: keep oxygen safe, scan or collect the current blocker, and return before pushing into the next unknown area.
The upgrade console is the point where creature scanning becomes a progression route.
Check whether the upgrade changes available scan targets or creature reads.
Use this step as a route checkpoint, not as a promise that every object spawns in one exact coordinate. Match the landmark, compare the screenshot, then continue only if the return path is still clear.
If your game build looks different, stay with the same decision: keep oxygen safe, scan or collect the current blocker, and return before pushing into the next unknown area.
Choose the adaptation scan that solves the next blocker instead of scanning blindly.
Pick one BioMod objective instead of scanning every creature blindly.
Use this step as a route checkpoint, not as a promise that every object spawns in one exact coordinate. Match the landmark, compare the screenshot, then continue only if the return path is still clear.
If your game build looks different, stay with the same decision: keep oxygen safe, scan or collect the current blocker, and return before pushing into the next unknown area.
Finish by checking the loadout so the BioMod route turns into usable progress.
Return after the target scan and update the BioMod loadout plan.
Use this step as a route checkpoint, not as a promise that every object spawns in one exact coordinate. Match the landmark, compare the screenshot, then continue only if the return path is still clear.
If your game build looks different, stay with the same decision: keep oxygen safe, scan or collect the current blocker, and return before pushing into the next unknown area.
The upgrade console is the point where creature scanning becomes a progression route.
After-action plan
What to do after the guide works
Bank the result
Return after the target scan and update the BioMod loadout plan.
Clean the inventory
Move route-critical materials into labeled storage so the next dive starts with empty space and a clear job.
Pick the next guide
A practical BioMods and adaptations guide for tracking unlocks, route value, hazard answers, and upgrade priorities.
Next route queue
Use these as the next blockers to solve after this route. Each queue card keeps the same evidence style: source video, gameplay frames, and a written checklist.
Best immediate follow-upAll BioMods and Adaptations Guide
A practical BioMods and adaptations guide for tracking unlocks, route value, hazard answers, and upgrade priorities.
Use if the route branchesScanner Fragments Guide
How to think about fragment scanning, unlock priorities, duplicate scans, and route planning around discoveries.
Save for the next diveCreatures Database Guide
A creature database framework for scanning wildlife, reading behavior, separating harmless fauna from threats, and tracking Early Access changes.
Detailed notes
Upgrade before BioMod hunting
The Bio Scanner upgrade turns creature scanning into progression. Without it, players can waste time chasing creatures that do not yet solve the route problem.
How to use this in-game
Turn this note into one action before leaving base: decide the objective, keep only the materials or tools that support it, then stop the route once the scan, pickup, or landmark is confirmed. This keeps the guide useful even when Early Access patches move small details.
Choose the scan target
After upgrading, pick the BioMod tied to the next blocker: safety, temperature, route reading, or threat response. A focused scan is safer than a complete creature sweep.
Upgrade
Target
Scan
Loadout
How to use this in-game
Turn this note into one action before leaving base: decide the objective, keep only the materials or tools that support it, then stop the route once the scan, pickup, or landmark is confirmed. This keeps the guide useful even when Early Access patches move small details.
Video route notes
Bio Scanner Upgrade Guide should be followed as a completion route, not as a memory test. Start by watching the first route movement and naming the entry condition before copying the path in-game. Follow the scanner upgrade route until the upgrade state is confirmed. Then pause again when the video reaches the first visible proof point, because that is where the guide changes from general advice into an action you can repeat. Check whether the upgrade changes available scan targets or creature reads. If the route starts to feel different in your build, keep the same player goal: finish the unlock cleanly and know whether a return trip is needed.
Entry check: Scanner
Route action: Follow the scanner upgrade route until the upgrade state is confirmed.
Proof to look for: scan or pickup proof
Version note: Early Access / field-tested
How to use this in-game
Turn this note into one action before leaving base: decide the objective, keep only the materials or tools that support it, then stop the route once the scan, pickup, or landmark is confirmed. This keeps the guide useful even when Early Access patches move small details.
Screenshot checkpoints
Use screenshots as checkpoints instead of decoration. The first image should answer where the route begins, the second should show what confirms progress, and the third should explain what to do after the scan, pickup, puzzle state, or threat read is visible. Pick one BioMod objective instead of scanning every creature blindly. This is especially important in Early Access because exact positions can drift while landmarks, depth bands, room states, and player decisions stay useful. A good screenshot lets you say, "I am at the right kind of place," before you risk oxygen, storage space, or vehicle safety.
Entry frame: match the landmark before moving deeper
Proof frame: confirm scan or pickup proof
Exit frame: know the return direction before adding side goals
Loadout frame: check Upgrade route
How to use this in-game
Turn this note into one action before leaving base: decide the objective, keep only the materials or tools that support it, then stop the route once the scan, pickup, or landmark is confirmed. This keeps the guide useful even when Early Access patches move small details.
Stop rule and next dive
The most useful part of this page is the stop rule. Trying to farm BioMods before the scanner route is ready. Scanning creatures without knowing which adaptation is needed. When the objective is confirmed, return and convert it into progress: craft the upgrade, sort the material, save the route note, or mark the blocker as solved. If the route fails, do not repeat the same swim blindly. Change one variable at a time: enter from a clearer landmark, reduce inventory clutter, bring the missing tool, or wait until oxygen and vehicle support match the route. That turns a failed completion route into better field knowledge instead of another untracked cleanup sweep.
How to use this in-game
Turn this note into one action before leaving base: decide the objective, keep only the materials or tools that support it, then stop the route once the scan, pickup, or landmark is confirmed. This keeps the guide useful even when Early Access patches move small details.
Common mistakes
Trying to farm BioMods before the scanner route is ready.
Scanning creatures without knowing which adaptation is needed.
Ignoring threat pages before a dangerous scan target.
FAQ
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.