Video walkthrough
Watch the route, then follow the written steps
Video chapters
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.
Modification Station fragment route reference
Watch for: Fragment-room order, blueprint progress, and upgrade-station timing.
Progress check frame review
Watch for: Start with Modification Station blueprint guide / Fragment route at 00:48. Compare the screenshot cue, route note, and player action before following the guide in-game.
Station unlock frame review
Watch for: Start with Modification Station blueprint guide / Fragment route at 01:50. 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 Fragment room and identify the landmark, depth band, or objective state before following the next step.
Use Progress check to confirm what changed; if the video only shows a close-up, rebuild the route from the previous landmark.
Treat Station unlock as the exit rule: finish the objective, return, and update storage or crafting before adding side goals.

Fragment room
Use the room as a waypoint so station fragments are found in a repeatable order.
Action: Name the upgrade that requires the station.

Progress check
Check blueprint progress before searching another section.
Action: Scan confirmed Modification Station fragments.

Station unlock
The route is valuable when it unlocks upgrades that change the next dive.
Action: Check blueprint progress after each scan.
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.
00:32Checkpoint 1: Name the upgrade that requires the station.Use the room as a waypoint so station fragments are found in a repeatable order.Expand

Fragment room
Use the room as a waypoint so station fragments are found in a repeatable order.
Player action
Name the upgrade that requires the station.
Proof before moving on
Use the room as a waypoint so station fragments are found in a repeatable order.
Watch this timestampIf this fails
Reset to the last confirmed landmark or objective state, then repeat only the route-critical step.
00:48Checkpoint 2: Scan confirmed Modification Station fragments.Check blueprint progress before searching another section.Expand

Progress check
Check blueprint progress before searching another section.
Player action
Scan confirmed Modification Station fragments.
Proof before moving on
Check blueprint progress before searching another section.
Watch this timestampIf this fails
Use the video frame as evidence, but record entry, proof, and exit as separate notes.
01:50Checkpoint 3: Check blueprint progress after each scan.The route is valuable when it unlocks upgrades that change the next dive.Expand

Station unlock
The route is valuable when it unlocks upgrades that change the next dive.
Player action
Check blueprint progress after each scan.
Proof before moving on
The route is valuable when it unlocks upgrades that change the next dive.
Watch this timestampIf this fails
Return, craft, sort storage, or retest the route before turning this page into a longer objective chain.
00:32Checkpoint 4: Build the station and craft the route-changing upgrade first.Use the room as a waypoint so station fragments are found in a repeatable order.Expand

Fragment room
Use the room as a waypoint so station fragments are found in a repeatable order.
Player action
Build the station and craft the route-changing upgrade first.
Proof before moving on
Use the room as a waypoint so station fragments are found in a repeatable order.
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.

Fragment room
Use the room as a waypoint so station fragments are found in a repeatable order.

Progress check
Check blueprint progress before searching another section.

Station unlock
The route is valuable when it unlocks upgrades that change the next dive.
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
Unlock the Modification Station when upgrades are the blocker. Scan fragments, check blueprint progress, build the station, then craft the upgrade that changes the next route.
Visual checkpoint
Use the room as a waypoint so station fragments are found in a repeatable order.
Map anchor
Modification Station Fragment Anchor in Upgrade station fragment route. Use it for use this when vehicle, tool, or equipment upgrades need a station unlock first.
Abort rule
Unlocking the station without a first upgrade target.
Field manual translation
Unlock the Modification Station when upgrades are the blocker. Scan fragments, check blueprint progress, build the station, then craft the upgrade that changes the next route. 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
Modification Station - Name the upgrade that requires the station.
Best entry habit
Fragment route - Scan confirmed Modification Station fragments.
Stop condition
Unlocking the station without a first upgrade target. - Check blueprint progress after each scan.
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
- Fragment route
- Build materials
- Upgrade 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
Name the upgrade that requires the station.
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.

Use the room as a waypoint so station fragments are found in a repeatable order.
Scan confirmed Modification Station fragments.
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.

Check blueprint progress before searching another section.
Check blueprint progress after each scan.
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 route is valuable when it unlocks upgrades that change the next dive.
Build the station and craft the route-changing upgrade first.
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.

Use the room as a waypoint so station fragments are found in a repeatable order.
After-action plan
What to do after the guide works
Bank the result
Build the station and craft the route-changing upgrade first.
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 scan-first Modification Station guide for fragment counting, equipment upgrades, craft timing, and avoiding repeated structure sweeps.
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-upModification Station Blueprint Guide
A scan-first Modification Station guide for fragment counting, equipment upgrades, craft timing, and avoiding repeated structure sweeps.
Use if the route branchesEquipment Blueprint Locations
A blueprint route guide for equipment unlocks, databox checks, scanner stops, and post-route crafting priorities.
Save for the next diveStorage Optimization Guide
A practical storage guide for labeled lockers, route-based reserves, vehicle cargo, and avoiding clutter after farming runs.
Detailed notes
upgrade station fragment route route plan
Modification Station Fragments Route is useful when the route is treated as a focused job instead of a full-map sweep. Start by naming the blocker, checking the loadout, and matching the first landmark before copying the video. The player goal is not to memorize every second of movement; it is to understand why the route begins there, what proves progress, and when the route should stop.
Route type: upgrade station fragment route
Proof to confirm: Modification Station blueprint completion
Primary blocker: Fragment route
Best follow-up: Build the station and craft the route-changing upgrade first.
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 use the video evidence
Watch for the entry frame, the proof frame, and the exit frame. The entry frame tells you whether you are in the right terrain band. The proof frame tells you whether the scan, pickup, blueprint, puzzle state, or build decision actually happened. The exit frame protects the run from turning into a panic search after the objective is already solved.
Entry frame: match terrain before diving deeper
Proof frame: confirm Modification Station blueprint completion
Exit frame: return before adding side goals
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
Stop after the first useful upgrade is crafted, then reassess the next route blocker. If the route fails, change one variable before trying again: bring the missing tool, empty inventory, approach from a clearer landmark, or wait until oxygen, vehicle depth, or defensive options match the route. That makes the next attempt safer and gives the page useful field notes instead of repeated guesswork.
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
Modification Station Fragments Route 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. Name the upgrade that requires the station. 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. Scan confirmed Modification Station fragments. 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: Fragment route
Route action: Name the upgrade that requires the station.
Proof to look for: scan or pickup 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. Check blueprint progress after each scan. 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 Build materials
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. Unlocking the station without a first upgrade target. Repeating fragment rooms after progress is complete. 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
Unlocking the station without a first upgrade target.
Repeating fragment rooms after progress is complete.
Building the station far from storage and fabricator flow.
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.