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Scanner Fragments Guide

How to think about fragment scanning, unlock priorities, duplicate scans, and route planning around discoveries.

Quick answer

Scan fragments that unlock information, movement, storage, or safer returns before chasing cosmetic or comfort unlocks. Record where fragments appear so patch changes are easier to verify.

Beginner10 min3 screenshots3 video refs
Blueprint menu gameplay frame for Subnautica 2 map-resources guide
Gameplay frame00:25

Fragment room

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Blueprint progress

Blueprint progress

01:14 evidence frame

Databox check

Databox check

02:29 evidence frame

Video walkthrough

Watch the route, then match the frames

Open source video
Fragment room00:25Frame 1Fragment routes are easier when every room or wreck section becomes a checkpoint.Blueprint progress01:14Frame 2Check blueprint progress after each scan so the route does not become a repeated sweep.Databox check02:29Frame 3Databox and fragment stops should have a clear return path before you continue deeper.

Video chapters

5 steps
Fragment room chapter frame00:25Step 1Scan nearby fragments before traveling far.Watch timestamp
Blueprint progress chapter frame01:14Step 2Prioritize mobility, storage, power, and base utility.Watch timestamp
Databox check chapter frame02:29Step 3Treat duplicate scans as confirmation of a biome pattern.Watch timestamp
44:00Step 4Return to craft once a scan unlocks a route-changing item.Watch timestamp
55:00Step 5Keep a route note for each confirmed fragment cluster.Watch timestamp

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.

YouTube community guideOpen on YouTubePlayable embed

Bio Scanner upgrade route reference

Watch for: Scanner upgrade location, scan-route priority, blueprint confirmation, and how scanner progress changes later exploration.

Local frame analysisSearch on YouTubeFrame evidence

Fragment room frame review

Watch for: Start with Equipment blueprint locations / Scanner fragments at 00:25. Compare the screenshot cue, route note, and player action before following the guide in-game.

Local frame analysisSearch on YouTubeFrame evidence

Databox check frame review

Watch for: Start with Equipment blueprint locations / Scanner fragments at 02:29. 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

1

Pause on Fragment room and identify the landmark, depth band, or objective state before following the next step.

2

Use Blueprint progress to confirm what changed; if the video only shows a close-up, rebuild the route from the previous landmark.

3

Treat Databox check as the exit rule: finish the objective, return, and update storage or crafting before adding side goals.

Fragment room
Frame read 100:25

Fragment room

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Action: Scan nearby fragments before traveling far.

Blueprint progress
Frame read 201:14

Blueprint progress

Check blueprint progress after each scan so the route does not become a repeated sweep.

Action: Prioritize mobility, storage, power, and base utility.

Databox check
Frame read 302:29

Databox check

Databox and fragment stops should have a clear return path before you continue deeper.

Action: Treat duplicate scans as confirmation of a biome pattern.

Video route timeline

Turn the video into playable checkpoints

Open source video

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.

00:25Checkpoint 1: Scan nearby fragments before traveling far.Fragment routes are easier when every room or wreck section becomes a checkpoint.Expand
Fragment room

Fragment room

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Player action

Scan nearby fragments before traveling far.

Proof before moving on

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Watch this timestamp

If this fails

Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.

01:14Checkpoint 2: Prioritize mobility, storage, power, and base utility.Check blueprint progress after each scan so the route does not become a repeated sweep.Expand
Blueprint progress

Blueprint progress

Check blueprint progress after each scan so the route does not become a repeated sweep.

Player action

Prioritize mobility, storage, power, and base utility.

Proof before moving on

Check blueprint progress after each scan so the route does not become a repeated sweep.

Watch this timestamp

If this fails

Use the video frame as evidence, but record entry, proof, and exit as separate notes.

02:29Checkpoint 3: Treat duplicate scans as confirmation of a biome pattern.Databox and fragment stops should have a clear return path before you continue deeper.Expand
Databox check

Databox check

Databox and fragment stops should have a clear return path before you continue deeper.

Player action

Treat duplicate scans as confirmation of a biome pattern.

Proof before moving on

Databox and fragment stops should have a clear return path before you continue deeper.

Watch this timestamp

If this fails

Return, craft, sort storage, or retest the route before turning this page into a longer objective chain.

00:25Checkpoint 4: Return to craft once a scan unlocks a route-changing item.Fragment routes are easier when every room or wreck section becomes a checkpoint.Expand
Fragment room

Fragment room

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Player action

Return to craft once a scan unlocks a route-changing item.

Proof before moving on

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Watch this timestamp

If this fails

Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.

01:14Checkpoint 5: Keep a route note for each confirmed fragment cluster.Check blueprint progress after each scan so the route does not become a repeated sweep.Expand
Blueprint progress

Blueprint progress

Check blueprint progress after each scan so the route does not become a repeated sweep.

Player action

Keep a route note for each confirmed fragment cluster.

Proof before moving on

Check blueprint progress after each scan so the route does not become a repeated sweep.

Watch this timestamp

If this fails

Use the video frame as evidence, but record entry, proof, and exit as separate notes.

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.

Fragment room
00:25Checkpoint 1

Fragment room

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Blueprint progress
01:14Checkpoint 2

Blueprint progress

Check blueprint progress after each scan so the route does not become a repeated sweep.

Databox check
02:29Checkpoint 3

Databox check

Databox and fragment stops should have a clear return path before you continue deeper.

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

Scan fragments that unlock information, movement, storage, or safer returns before chasing cosmetic or comfort unlocks. Record where fragments appear so patch changes are easier to verify.

Visual checkpoint

Fragment routes are easier when every room or wreck section becomes a checkpoint.

Map anchor

Scanner Fragment Sweep in Fragment sweep shelf. Use it for use this when random scanning is producing duplicates instead of progression unlocks.

Abort rule

Ignoring fragments after unlocking the first tools.

Field manual translation

Scan fragments that unlock information, movement, storage, or safer returns before chasing cosmetic or comfort unlocks. Record where fragments appear so patch changes are easier to verify. Use this resource 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

Blueprints - Scan nearby fragments before traveling far.

Best entry habit

Scanner access - Prioritize mobility, storage, power, and base utility.

Stop condition

Ignoring fragments after unlocking the first tools. - Treat duplicate scans as confirmation of a biome pattern.

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 / tracking / Early Access

What this guide covers

Requirements

  • Scanner access
  • Safe fragment route
  • Storage space

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

1

Scan nearby fragments before traveling far.

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.

video-derived route noteverify landmarks in your build
Fragment room
00:25

Fragment routes are easier when every room or wreck section becomes a checkpoint.

2

Prioritize mobility, storage, power, and base utility.

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.

video-derived route noteverify landmarks in your build
Blueprint progress
01:14

Check blueprint progress after each scan so the route does not become a repeated sweep.

3

Treat duplicate scans as confirmation of a biome pattern.

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.

video-derived route noteverify landmarks in your build
Databox check
02:29

Databox and fragment stops should have a clear return path before you continue deeper.

4

Return to craft once a scan unlocks a route-changing item.

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.

video-derived route noteverify landmarks in your build
Fragment room
00:25

Fragment routes are easier when every room or wreck section becomes a checkpoint.

5

Keep a route note for each confirmed fragment cluster.

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.

video-derived route noteverify landmarks in your build
Blueprint progress
01:14

Check blueprint progress after each scan so the route does not become a repeated sweep.

After-action plan

What to do after the guide works

1

Bank the result

Keep a route note for each confirmed fragment cluster.

2

Clean the inventory

Move route-critical materials into labeled storage so the next dive starts with empty space and a clear job.

3

Pick the next guide

A blueprint collection framework for scanner unlocks, crafting progression, base modules, and vehicle upgrades.

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.

Missed blueprint gameplay frame for Subnautica 2 collectibles guide
Best immediate follow-up

Blueprint Collectibles

A blueprint collection framework for scanner unlocks, crafting progression, base modules, and vehicle upgrades.

3 videos3 framesroute timeline
Crafting priority gameplay frame for Subnautica 2 guides guide
Use if the route branches

Crafting Progression Guide

A practical crafting priority list for tools, storage, mobility, base modules, and safer exploration.

3 videos3 framesroute timeline
Vehicle plan gameplay frame for Subnautica 2 map-resources guide
Save for the next dive

Vehicles and Upgrades

A vehicle and upgrade planning guide for depth, storage, route safety, and progression in Subnautica 2.

3 videos3 framesroute timeline

Detailed notes

Fragment value depends on the blocker

A fragment is valuable when it removes the next blocker. In early access, this page tracks categories before pretending every spawn is final.

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.

What to do with duplicate scans

Duplicates still tell you something: the area likely belongs to that unlock family. Note the biome and keep moving.

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.

Fragment routes are scan chains

A fragment route is not complete when you see the first piece. Treat it as a chain: entry landmark, first scan, nearby repeat pattern, blueprint progress, and safe return. After each scan, check whether the unlock is complete before pushing farther. Continuing after completion is usually where players lose the route, fill inventory, or run into threat space with no added value.

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.

How to record fragment evidence

Good fragment notes include the biome, depth band, nearest landmark, object shape, and what the scan unlocks. Exact coordinates are helpful only after the route has been checked, but landmark proof is useful immediately. This is why the site favors video frames and route notes: they help players recognize the right type of place even when Early Access updates shift details.

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

Scanner Fragments Guide should be followed as a resource route, not as a memory test. Start by watching the first route movement and naming the entry condition before copying the path in-game. Scan nearby fragments before traveling far. 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. Prioritize mobility, storage, power, and base utility. If the route starts to feel different in your build, keep the same player goal: repeat the route without relying on a perfect coordinate.

Entry check: Scanner access

Route action: Scan nearby fragments before traveling far.

Proof to look for: material or fragment proof

Version note: Early Access / tracking

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. Treat duplicate scans as confirmation of a biome pattern. 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 material or fragment proof

Exit frame: know the return direction before adding side goals

Loadout frame: check Safe fragment 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. Ignoring fragments after unlocking the first tools. Scanning deep routes without a safe exit timer. 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 resource route into better field knowledge instead of another full-inventory wander.

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

Ignoring fragments after unlocking the first tools.

Scanning deep routes without a safe exit timer.

Forgetting where a fragment cluster appeared.

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.

Local fallbackApproved public notes onlyLoading reports
Route checkEarly AccessApproved

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.

Patch watchHotfix 3+Approved

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.

On this page

Video walkthroughSource videosWatch notesRoute timelineGameplay evidenceRoute decisionWhat this coversStep-by-stepAfter-action planDetailed notesCommon mistakesFAQ

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Content policy

This guide is based on gameplay video references. It avoids exact-coordinate promises unless the footage clearly supports them.