Saturn Save Tools

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A set of command-line tools for managing SEGA Saturn single save files directly from the PC. (Windows/Linux/macOS)

  • ss-converter
  • sgm-unpacker
  • sst

Saturn Save Converter Tool

This command-line tool converts single Saturn save files to BUP format (Pseudo Saturn Kai) and SAROO format (SSAVERAW single save).

Supported formats

  • .BUP: Pseudo Saturn Kai
  • .SRO: SAROO (SSAVERAW)
  • .XML: SS Backup RAM Parser
  • .B64: Save Game Manager
  • .CMS: PC Comms Link

Output formats

  • .BUP: Pseudo Saturn Kai (Default)
  • .SRO: SAROO single save

Usage 

SEGA Saturn save converter 0.1.0 - (c) 2025 by Bucanero

USAGE: ./ss-converter filename [-s]

Opt:	-s	Convert to SAROO single save format

Example:

% ./ss-converter HANGONGP_01.bin

SEGA Saturn save converter 0.1.0 - (c) 2025 by Bucanero

[*] Loading HANGONGP_01.bin...
    > Type:	 SAROO (SSAVERAW)

[*] Exporting HANGONGP_01.BUP...
    > Format  :	 BUP (Pseudo Saturn Kai)
    > Filename:	 HANGONGP_01
    > Comment :	 HANGONGP95
    > Language:	 JP
    > Date:    	 1997-07-13 01:17
    > Size:    	 1692 bytes

[i] Successfully exported save file.

SGM Unpacker Tool

This command-line tool extracts single Saturn save files packed in SGM archives created with Save Game Manager.

Usage 

SEGA Saturn SGM save unpacker 0.1.0 - (c) 2025 by Bucanero

USAGE: ./sgm-unpacker filename

Example:

% ./sgm-unpacker SGMSEGARALL

SEGA Saturn SGM save unpacker 0.1.0 - (c) 2025 by Bucanero

[*] Unpacking SGMSEGARALL...
[i] Packed Files: 2
    > SEGARALLY_0.BUP 	 1994-01-01 00:49 	 5056 bytes 	 OK!
    > SEGARALLY_1.BUP 	 1994-01-01 00:20 	 62464 bytes 	 OK!
[i] Successfully Unpacked 2 files.

Building the source code 

make

Credits

  • XML save format - from SS Backup RAM Parser by hitomi2500
  • BUP save format - from Pseudo Saturn Kai by cafe-alpha
  • SAROO save format - from SAROO by tpunix
  • B64/SGM save formats - from Save Game Manager by Rockin’-B

License

This software is licensed under GNU GPLv3, please review the LICENSE file for further details. No warranty provided.