[2021] PINNED: WIPE ALL DATA FOR A20!

How to Clean Save Data Alpha 19 saves and generated maps are not compatible with Alpha 20. It is advised to back up your existing saves prior to performing this if you want to return to an older version later.
Failure to follow these steps between major client updates (a19 to a20), will result in corrupted saves and unstable gameplay.

1. Start the game from inside your Steam library.
   
2. Select "Show game launcher" from the window that appears and click Play.
   
3. Click on the "Tools" tab in the launcher window.
   
4. Click the button labeled "Clean game data".
   
5. Click in the boxes for "Game settings" and "Game data", then tick the selector for "All maps".
   At this point everything should have a tick next to it.
   
6. Click the "Clean" button.

P.S. Delete the Mods folder from your client directory to ensure you do not have any old/incompatible mods installed.

Manually Deleting Saved Games and Old Save Folders

1. Start by opening Windows Explorer.
   
2. Type the following into the address bar without the quotes then press enter:
   '%appdata%\7DaysToDie'
   
3. Select all files and folders in this location and delete them.
   
4. Now navigate to your clients Worlds folder. default location is '\Program Files (x86)\Steam\SteamApps\Common\7 Days to Die\Data\Worlds'
   
5. Delete everything except the following folders.
   Navezgane
   Playtesting
   PREGEN6k
   PREGEN8k
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