All about GS3 Files

The GS3 file type is primarily associated with Genecyst.

GS3	File extension: GS3
	File type:	Save State 1

What is a GS3 file

GS3 files mostly belong to Genecyst. Genecyst is a Sega Genesis system emulator released in 1997. The number behind the .GS# file extension indicates the save state (current game state at time of the save) number. Savestates are compatible with the Gens emulator and probably all of its variants. This should apply to any saved Sega Genesis games played in an emulator.

How to open GS3 files

You need a suitable software like Genecyst to open a GS3 file. You need a suitable software like Genecyst to open a GS3 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GS3 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GS3 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GS3 Text Viewer

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.GS3 File Won't Open? Here is What You Can Do

Since .GS3 files come from various programs, they aren't universally openable.

Identify the Source: A .GS3 is often a Genecyst Save State 1 file from a Sega emulator, but may also be a GameShark save or GameStarter project.
Check the Header: Inspect the first bytes in a text editor or hex viewer for clues.
- "GST" indicates a Genecyst save state.
- Readable XML or JSON suggests a configuration file.
- Unreadable characters imply a proprietary binary format.
Use the Original Software: You usually need the original program, like Genecyst, GameShark Save Converter, or GameStarter; if uncertain, ask the sender.
Use this Webpage: Drag and drop your .GS3 file into our viewer to detect its format, extract readable text or metadata, and preview contents when possible.

Technical Data for GS3 File Extension

Identifier:

Hex:, ASCII: GST (provided by TrID database)

Related files:

gs2, gs1, gs0

a gs3 Save State 1 is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with GS3 files

Associate the GS3 file extension with the correct application.
Update your software that should actually open save state 1s. Because only the current version supports the latest GS3 file format. Search, therefore, e.g. on the manufacturer website after an available Genecyst update.
To make sure that your GS3 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GS3 file online - secure, fast, and no downloads needed.