Where Are Core Keeper Save Files?
Core Keeper stores Steam characters and worlds under AppData LocalLow Pugstorm Core Keeper in a SteamID folder. Worlds and character saves use separate subfolders in that directory.
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On Windows, the root is AppData LocalLow Pugstorm Core Keeper Steam SteamID under your user profile. saves holds character files and worlds holds numbered world files such as 0.world.gzip.
File 0.world.gzip maps to slot 1 in game, 1.world.gzip to slot 2, and so on. Pressing Ctrl Alt B in the main menu writes CoreKeeperSaves.zip to the desktop for bug reports or quick backup.
Where Core Keeper stores this, by platform
C:\Users\<username>\AppData\LocalLow\Pugstorm\Core Keeper\Steam\<SteamID>
<username> is your Windows account name. <SteamID> is your numeric SteamID folder. saves holds characters. worlds holds .world.gzip files. mods in the same SteamID folder holds mod configs.
~/.config/unity3d/Pugstorm/Core Keeper/Steam/<SteamID>
<SteamID> is your numeric SteamID folder. Same saves and worlds layout as Windows. Dedicated server worlds live under DedicatedServer worlds in the server install or config root.
Frequently asked questions
How do I move a world to a dedicated server?
Close game and server. Copy the wanted .world.gzip plus its .pugbackup from worlds to the server DedicatedServer worlds folder. Keep slot numbering intact and restart the server before joining.
Where are Steam Cloud copies?
A subset may appear under Steam userdata for app 1621690. The LocalLow Steam SteamID folder remains the working set. Back up that folder directly before relying on Cloud history.
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