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Moon Sweepers Save File Location: How to Backup & Fix Corrupted Saves

Find the Moon Sweepers save file directory on Windows. Learn how to restore automatic backups introduced in Patch 1.0.4 and fix terrain clipping bugs.

10/27/2026 v1.0.5 Last updated: 11/2/2026 3 min read

FAQ

Where is the Moon Sweepers save file location on PC?
Save files are stored under C:\Users\[YourUsername]\AppData\LocalLow\DragDrop Games\Moon Sweepers\Saves\. You can access this folder by pressing Win + R and typing %USERPROFILE%\AppData\LocalLow\DragDrop Games\Moon Sweepers\Saves\.
How do you restore an automated save backup?
Inside the Saves directory, open the Backups subfolder, copy the latest timestamped save file (.sav), paste it into the primary Saves folder, and rename it to overwrite your active slot.
What causes the floating through terrain bug upon loading?
Loading into an active save before terrain collision shaders finish initial streaming can leave astronauts suspended or falling into the moon interior. Using the in-game Unstuck button or restoring the backup fixes it.
Can you transfer a multiplayer co-op save to solo play?
Yes. Save files are interchangeable between solo and co-op. Renaming the host world save file allows you to continue building offline in single-player.
Does Moon Sweepers support Steam Cloud Saves?
Yes, Steam Cloud synchronization is enabled by default, backing up your active save slot whenever the game exits cleanly.
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Few experiences are more frustrating than spending hours constructing automated lunar conveyor networks and tuning custom rovers, only to encounter a corrupted save file or load into an empty void beneath the moon terrain. Thanks to the Patch 1.0.4 stability update, Moon Sweepers now generates automatic rolling backups.

For base layout planning, see our base building guide, learn key shortcuts in the controls guide, or troubleshoot framerate freezes in the PC performance settings guide.

Exact Windows Save File Directory

Moon Sweepers stores all profile configurations, sector completion data, and multiplayer world states in your local Windows user directory:

%USERPROFILE%\AppData\LocalLow\DragDrop Games\Moon Sweepers\Saves\

How to Navigate to the Folder

  1. Press Win + R on your keyboard to open the Run dialog box.
  2. Copy and paste the following path into the box and press Enter:
    %LOCALAPPDATA%..\LocalLow\DragDrop Games\Moon Sweepers\
  3. Open the Saves folder. Inside, you will see numbered folders representing each save slot (Slot0, Slot1, Slot2), alongside a dedicated Backups/ directory.

Step-by-Step Save Backup Procedure

Manually creating a backup takes less than 30 seconds:

  1. Fully close Moon Sweepers and allow Steam Cloud syncing to complete.
  2. Open the Saves/ folder using the path above.
  3. Select your world folder (e.g., Slot0).
  4. Press Ctrl + C then Ctrl + V to create a duplicate named Slot0 - Copy.
  5. Store this copy in a safe location, such as a desktop archive folder or personal cloud storage.

How to Restore Corrupted Worlds from Patch 1.0.4 Backups

Starting with Patch 1.0.4, the game automatically keeps the last three successful sol cycles in a rolling backup directory. If your world fails to load or crashes to desktop during the loading screen:

Step Action Required Details
Step 1 Disable Steam Cloud Temporarily Right-click Moon Sweepers in Steam -> Properties -> Toggle off Steam Cloud to prevent auto-overwriting.
Step 2 Open the Backups Directory Navigate to AppData\LocalLow\DragDrop Games\Moon Sweepers\Saves\Backups\.
Step 3 Identify the Fresh Backup Sort files by date modified and locate the most recent file matching your slot name (e.g., Slot0_Sol14_Backup.sav).
Step 4 Copy & Rename Copy this backup into the parent Saves\Slot0\ folder and rename it to WorldData.sav.
Step 5 Launch & Verify Start the game. Your world will load from the backup sol state. You can safely re-enable Steam Cloud once loaded.

Fixing the “Floating / Fallen Through Moon” Clipping Bug

A known issue can occur when loading into large bases where the astronaut character spawns slightly below ground collision:

  1. Press Escape immediately upon loading.
  2. Open the Gameplay Menu and click the red Unstuck Character button.
  3. Your astronaut will be safely teleported to the central landing pad or nearest powered depot with all personal inventory intact.
  4. If your vehicle is stuck inside terrain, board the vehicle and click Unstuck Vehicle from the same menu.
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