The location of your save files depends on which version of the game you are playing (Original, GOG, or DevilutionX) and whether you are playing Single Player or Multiplayer. 1. The GOG.com Version (Most Common Today)
Location: C:\Users\[Your_Username]\AppData\Roaming\diasurgical\devilution. 4. Diablo: Hellfire (Expansion) The Hellfire
Linux
On Linux, Diablo 1 save files are often stored in:
VirtualStore (Permission Issues): If you can't find them in the game folder, Windows might have "redirected" them here: %LOCALAPPDATA%\VirtualStore\Program Files (x86)\Diablo 3. DevilutionX (Modern Source Port)
for modern compatibility, your saves are moved to a standard Windows user directory to prevent permission issues. %AppData%\diasurgical\devilution\ Hellfire Saves: These often use the extension instead of 3. Classic CD Version (Pre-Patch 1.09)
~/.local/share/Blizzard/Diablo/Saved Games
Alternative GOG Classic Installation (No Galaxy client)
If you installed the standalone offline backup installer from GOG: