Opening GB1 Files

The GB1 file type is primarily associated with Game Maker.

GB1	File extension: GB1
	File type:	backup file

What is a GB1 file?

GB1 files mostly belong to Game Maker by YoYo Games Ltd. GB1 file is created by the application Game Maker. Game Maker application is developed by the YoYo Games Limited.. Game Maker allows user to create computer games without implementing coding knowledge. GB1 file stores whole project process and data backup. GB1 file may store animated graphics files, music files, video files. If user edit any saved file on Game Maker application, GB1 file is automatically created to save the process data. GB1 file allows user to restore process from previous point.

How to open GB1 files

You need a suitable software like Game Maker to open a GB1 file. You need a suitable software like Game Maker from YoYo Games Ltd. to open a GB1 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 GB1 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GB1 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GB1 Text Viewer

Choose your .gb1 file to analyze

or drag and drop it here

Online File Viewer

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.GB1 File Won't Open? Here is What You Can Do

Because .GB1 files come from various programs, they aren't universally openable.

Identify the Source: A file from a game developer is likely a Game Maker backup. If from a retro gamer, it may be a Game Boy emulator save state.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- Readable XML/JSON often indicates a project backup.
- Random binary data suggests a proprietary format or emulator save.
Use the Original Software: The original program is usually required; try YoYo Games Game Maker, VisualBoyAdvance, or ask the sender if uncertain.
Use this Webpage: Drag and drop your file here to detect the format, extract readable text or metadata, and preview it when possible.

Technical Data for GB1 File Extension

File classification:

Backup

Related files:

gm81, gmk, gb, exe, gmd, gmr

a gb1 backup file is a special file format by YoYo Games Ltd. and should only be edited and saved with the appropriate software.

How to solve problems with GB1 files

Associate the GB1 file extension with the correct application.
Update your software that should actually open backup files. Because only the current version supports the latest GB1 file format. Search, therefore, e.g. on the YoYo Games Ltd. manufacturer website after an available Game Maker update.
To make sure that your GB1 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GB1 file online - secure, fast, and no downloads needed.