ZSNES slot 0 saved state file
File type: Emulator file
The .zs0 file extension is used by ZSNES, a Super Nintendo Entertainment System emulator. It stores a saved game position from slot 0.
File type category:
Emulator file
Date updated: September 27, 2026
A .zs0 file contains the emulator state needed to resume a Super Nintendo game from the point at which the state was saved. The file is associated with saved-state slot 0 in ZSNES.
ZSNES uses numbered saved-state files for its different save slots, and this file belongs to slot 0. The format is intended for use by ZSNES on Microsoft Windows rather than as a general-purpose game-save format.
Open a .zs0 file with ZSNES on Microsoft Windows. Start the corresponding game in ZSNES, then use the emulator's load-state function to restore the saved position.
A saved state is normally usable only with the game and ZSNES setup for which it was created.
A .zs0 file is an emulator state file intended to be loaded by ZSNES rather than converted as a document or media file.
To preserve the progress, load the file in ZSNES and continue playing. If the game supports its own in-game save system, that save can provide a more portable alternative, but it is separate from the .zs0 file.
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