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Make an in-game save immediately before any route-changing action. In practice, that means preserving a save before spending each Silver Bottle dose if you may want that save point later, and making a clean save after obtaining the Aurifer knife but before killing any Relicta. The official puzzle and boss guide says a save made before the finale decision can be reloaded to take the other main ending. On PC, you can add a separate copy of the reported Windows SaveGames folder, but verify the path on your installation. Steam lists Steam Cloud for the game, yet the available documentation does not specify sync timing or conflict resolution, so Cloud should not be treated as your only verified backup.
What should you back up, and when?
Tenebris Somnia is a single-player 2D survival-horror adventure released on Steam on October 16, 2026. Its decisions are not all equal: ordinary exploration can usually continue from the next in-world save point, while a route decision can consume a useful save point or determine which finale you see.
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- Before using the Silver Bottle at a save point. The bottle requires three save-point interactions. An independent guide reports that a point used for a dose is then disabled as a save point, so preserve the state first if you might want that point available again.
- Before the finale’s kill-or-spare decision. Keep a clean save after obtaining Aurifer and before killing any Relicta. The official guide says reloading that save lets you take the other main ending.
- Before restoring or copying PC files. Close the game, keep the copied files separate from the active folder, and verify that the location you found is the one your installation uses.
There is no sourced universal autosave schedule, save-slot limit, or identical save behavior for every platform. Do not assume an unconfirmed checkpoint will protect a branch.
How do the Silver Bottle choices affect save points?
The official route for the Silver Bottle uses three specific in-world points: the second-floor apartment bedroom, the third-floor apartment office, and the second-floor director’s office. These are the points the guide recommends for the bottle’s three doses.
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| Recommended point | Why it matters | Safe preservation move |
|---|---|---|
| Second-floor apartment bedroom | One of the three locations used for a Silver Bottle dose. | Save there before interacting if you may want the point as a normal save location later. |
| Third-floor apartment office | One of the three locations used for a dose. | Keep an earlier branch save before spending the dose. |
| Second-floor director’s office | One of the three locations used for a dose. | Preserve the clean state if you are uncertain about committing to the bottle route. |
The linked puzzle and boss guide identifies those locations and the three-dose route. The report that using the bottle disables the selected point comes from an independent saving and branch guide, not from the Steam store listing or a documented developer specification. Treat it as practical route-planning advice: make a prior save before each dose if you want the option to reverse the decision.
For a first manual save, that same independent guide reports a flame bowl in the Floor 3 apartment study, reached after opening the red-sealed door. Follow the prompt in your installed game and confirm that the save has actually been created before moving on. Because the source is secondary, use the in-game prompt and the save’s visible confirmation as the authority for your copy.
How should you save before the final ending choice?
The most valuable branch save is made after you obtain the Aurifer knife and before you kill any Relicta. From that untouched state, you can replay the late route and choose either main outcome.
- Acquire Aurifer and reach an in-world save point.
- Do not use the knife on any Relicta yet.
- Create a manual save and wait for the game’s confirmation.
- Continue the finale and choose the route you want to see first.
- After the ending, quit normally. Reload the preserved save to replay the final route for the other main outcome.
The developer-linked official puzzle and boss guide describes the two main conditions: killing any Relicta with Aurifer leads to one ending, while reaching the end without killing one leads to the other. It specifically says that a save made before the choice can be reloaded for the alternate branch. An independent guide gives the more precise practical timing—after obtaining Aurifer and before the first Relicta kill—and says that reloading replays the final route rather than granting both endings in a single uninterrupted run.
Do not overwrite this clean file with a post-choice save if you want both options. If your game presents another prompt or checkpoint before the final confrontation, use it only after you have retained the pre-kill branch.
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What is the safest way to make an in-game branch save?
Manual saving is the fastest and most directly supported method, provided an in-world point is available. Use this checklist whenever a choice could consume a point, lock a route, or change the ending:
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- Trigger the save prompt. Follow the exact on-screen interaction rather than assuming that standing nearby saved the game.
- Wait for confirmation. Let the animation, text, or menu confirmation finish before leaving the area.
- Record the branch state. Note whether the Silver Bottle dose has been spent, whether Aurifer has been obtained, and whether any Relicta has been killed.
- Make the consequential choice. If you are unsure, keep the clean save and use a separate slot or external copy rather than overwriting it.
The cited material does not establish how many save slots exist. Keep more than one branch where the game allows it, but do not infer a fixed slot count from guides or from another platform’s behavior.
How do you back up Tenebris Somnia save files on a Windows PC?
A separate folder copy gives you a local rollback point in addition to the game’s own saves. The path below is reported by a secondary guide, not guaranteed by the developer, so confirm it on your computer before relying on it.
- Close Tenebris Somnia completely. Do not copy or restore files while the game is writing a save.
- Open File Explorer and enter
%LOCALAPPDATA%TenebrisSomniaSavedSaveGamesin the address bar. - Check that the folder contains the current save data and that its timestamps match your recent in-game save.
- Copy the entire
SaveGamesfolder to a clearly named location, such as a dated folder that identifies the Silver Bottle or finale state. - Keep the copy outside the active save directory. A USB flash drive is an optional destination; it is not required to play or save the game.
- When restoring, close the game first, preserve the current folder as a temporary safety copy, then replace it with the backed-up folder.
- Launch the game and verify that the expected branch, inventory, and location load before deleting any older copy.
The path and copy procedure are detailed in iTechGuides’ save-backup instructions. Because that location is community-reported, it may differ with an installation, Windows account, or future update. If the folder is absent, search your user profile for a folder named TenebrisSomnia, check the game’s installed documentation, and rely on the in-game save until you have identified the active files. Do not move or rename files blindly.
Can Steam Cloud replace a manual backup?
Not safely on the evidence currently available. Steam’s Tenebris Somnia listing includes Steam Cloud, and a developer reply says, “Yes we will have cloud saving.” Neither source specifies when synchronization occurs, which copy wins after a conflict, or whether every relevant save file is covered.
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Use Cloud as a convenience for keeping a Steam installation in step across devices, not as proof that a pre-choice branch is independently preserved. Before a major decision, create the in-game save first. On PC, close the game and make the separate folder copy if the branch matters. If Steam displays a cloud-conflict dialog, do not choose a version casually: identify which timestamp contains the clean branch, and keep your local copy before accepting either option.
Which preservation method fits each situation?
| Method | Best use | Strength | Important limitation |
|---|---|---|---|
| In-game manual save | Routine progress and an immediate pre-choice checkpoint | Fast and directly described by the route guide | Requires an available in-world point; the cited sources do not establish a universal slot limit |
| Separate PC folder copy | Protecting a clean finale or Silver Bottle state | Creates a distinct local rollback copy | The Windows path is secondary-source guidance and must be verified; copying while the game is open risks an incomplete state |
| Steam Cloud | Convenient synchronization for the Steam version | Listed as a Steam feature | Sync timing, conflict rules, and complete-file coverage are undocumented in the cited material |
The most robust practical combination is an in-game save plus a dated local copy before the finale branch. Cloud can remain enabled, but it should not be the only copy you trust for an ending decision.
What can go wrong, and how do you recover?
The save point disappeared after using the Silver Bottle
This is the consequence reported by the independent saving guide. If you made a pre-dose save, reload it or restore the dated folder copy. If you did not, continue from the next available point; the available sources do not document a universal way to reactivate a spent point.
You saved after killing a Relicta
The clean “spare” route may no longer be available in that file. Look for the earlier save made after obtaining Aurifer and before the first kill. If you made a PC backup, close the game and restore that dated copy rather than overwriting it with the current state.
The reported Windows folder is empty or missing
Do not create a replacement folder and assume the game will use it. Verify the Windows user account, search for the game’s TenebrisSomnia directory, and check that you are looking at the installation that actually launched the game. Until the active location is confirmed, use the game’s own save points and retain any existing copies.
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A cloud conflict appears
The cited sources provide no Tenebris Somnia-specific conflict procedure. Keep both versions if Steam allows it, compare timestamps with the branch you intended to preserve, and make a local copy before selecting a cloud or local replacement.
You are playing somewhere other than the documented Windows setup
The folder path above applies only as reported Windows guidance. The available sources do not establish identical file locations or save behavior on every platform, so use platform-specific instructions and do not extrapolate the Windows path.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How do I plan a two-ending playthrough without losing progress?
Plan the run around one immutable checkpoint rather than trying to unlock both endings at once. Keep the clean Aurifer save, take one finale route, then reload that checkpoint and take the other. This approach also gives you a clear recovery point if a later save overwrites the route you wanted.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallFor the Silver Bottle, decide first whether preserving the three ordinary save points matters more than completing the bottle route. Save before each dose and label a PC copy if you are uncertain. Because the official guide names the three recommended points but the point-disabling effect comes from an independent guide, verify what your current build does before committing your only branch.
What the sources do not establish
Steam’s store page does not document autosave timing, save-slot limits, or cloud conflict handling. The cited guides also do not establish a single save procedure that applies identically to every platform. Those gaps are why a confirmed in-game save and a separate, verified PC copy are safer than assumptions about automatic protection.
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How these backup points were chosen
The recommendations follow the route information in the developer-linked official guide, then add clearly attributed practical precautions from independent saving and backup guides. Priority goes to actions that can consume a save point or determine a main ending, while platform-specific claims are limited to what the sources document.
Frequently Asked Questions
Does Steam Cloud keep both Tenebris Somnia endings available automatically?
No such guarantee is documented. Cloud is listed for the Steam version, but the cited sources do not say whether it keeps historical versions or how a conflict is resolved, so it should not be expected to preserve both branches by itself.
Can I unlock both main endings in one uninterrupted playthrough?
The independent route guidance says the finale branch is replayed by loading the earlier clean save. In practical terms, plan on two finale sequences from the same pre-kill checkpoint rather than assuming one run will register both outcomes.
What should I name a backup so I know which branch it contains?
Include the date and state in the folder name, such as “after-Aurifer-before-Relicta” or “before-Silver-Bottle-dose-2.” A descriptive label prevents restoring the wrong copy when several branch saves have similar timestamps.
Is a USB drive required to save Tenebris Somnia on PC?
No. It is only an optional destination for a separate copy of the reported save folder. The game’s in-world save system works without external storage.
