I'm a big fan of retro video games, specifically the Game Boy Color, Advance, and GameCube collections. The physicality of cartridges, link cables, and accessories before the internet was widely available for gaming has a special place in my heart.

With the recent changes to the App Store to allow emulators (and judging by the influx of issues opened on the Delta emulator GitHub repo) there is a growing interest in playing these games on mobile devices.

So if you're using Ubuntu like me, how can you backup your ROMs and saves?

Using GB Operator with my copy of Pokémon FireRed

What you'll need

To backup data from Game Boy cartridges I used the following software and hardware:

• Game Boy, GBC, or GBA cartridge
• GB Operator from Epilogue ($50 USD + shipping)
• Playback software from Epilogue
• Epilogue includes a USB-C to USB-A connector, so an adapter may be needed

There are other options for backing up Game Boy ROMs and saves, some of which are less expensive than the GB Operator, but I went with the GB Operator because it explicitly listed Linux support and from watching reviews appeared to provide a streamlined experience.

Getting started with GB Operator and Playback

Download the Playback AppImage for Linux and the CPU architecture you have. Make the AppImage file executable with:

$ chmod a+x ./Playback.AppImage

If you try to execute this file ($ ./Playback.AppImage) and receive this error:

dlopen(): error loading libfuse.so.2

AppImages require FUSE to run. 
You might still be able to extract the contents of this AppImage 
if you run it with the --appimage-extract option. 
See https://github.com/AppImage/AppImageKit/wiki/FUSE 
for more information

You'll need to install FUSE on Ubuntu:

$ sudo apt-get install libfuse2

After this you should be able to run Playback:

$ ./Playback.AppImage

From here the application should launch, but even if you have your GB Operator plugged in there's a chance it won't be detected. There's a good chance that your current user doesn't have access to the USB device. Epilogue provides some guides on how to enable access.

After following the above guide and logging in and out for the changes to take effect your GB Operator should be detected. Connecting a cartridge and navigating to "Data" in the menus provides you with options to "Backup Game" and "Backup Save".

Selecting these options might trigger a crash with the following error when starting the export process:

(Playback.AppImage:44475): Gtk-WARNING **: 15:05:20.886: Could not load a pixbuf from icon theme.
This may indicate that pixbuf loaders or the mime database could not be found.
**
Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Yaru/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)
Bail out! Gtk:ERROR:../../../../gtk/gtkiconhelper.c:494:ensure_surface_for_gicon: assertion failed (error == NULL): Failed to load /usr/share/icons/Yaru/16x16/status/image-missing.png: Unrecognized image file format (gdk-pixbuf-error-quark, 3)
Aborted (core dumped)

The fix that worked for me came from a Redditor who talked with Epilogue support and received the following answer:

LD_PRELOAD=/usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-svg.so \
  ./Playback.AppImage

Running the AppImage with the LD_PRELOAD value set fixed my issue, I've since added this shim to an alias, so I don't have to remember it. Hopefully in a future version of Playback this won't be an issue.

From here backing up your ROMs and saves should work as expected. Happy gaming!

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