Where Are UFO 50 Save Files Located?
UFO 50 keeps saves and config.json under %LOCALAPPDATA%\ufo50. Copy that folder to back up all fifty games at once.
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UFO 50 follows the GameMaker convention with everything under %LOCALAPPDATA%\ufo50: per-game progress across the fifty minigames plus a config.json with display and input settings. One folder covers the entire collection, which keeps multi-game backup simple.
The config file doubles as a repair tool. Startup crashes after driver incidents or bad edits often trace to a corrupt config.json; removing it lets the game rebuild defaults while saves survive beside it. Mod and guide authors point at this folder for the same reason: it is the only local state the collection keeps.
Where UFO 50 stores this, by platform
%LOCALAPPDATA%\ufo50
All fifty minigames plus config.json in one folder. Delete config.json alone to fix corrupt-config crashes; saves beside it survive. Back up the folder with the game closed.
Frequently asked questions
how do i back up ufo 50 saves
Copy the whole %LOCALAPPDATA%\ufo50 folder with the game closed. Saves for all fifty minigames plus config.json travel together. Restore by dropping it back before launch.
ufo 50 crashes on startup. how do i fix it
Delete (or rename away) config.json in the same folder and relaunch. Corrupt configs cause startup crashes and bluescreen-adjacent failures; the game regenerates defaults on next boot.
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