Nintendo - Game Boy ✔

• Emulator: lr-gambatte, lr-gearboy, lr-tgbdual
• Rom Folder: GB
• Extensions: .gb .gbc .dmg .zip .7z
• Bios: gb_bios.bin (optional)

note

Onion benefits to an exceptional version of Gambatte where the colored palettes are ordered by theme. You'l find more information on it on the dedicated repository.

And some explanations about how to use it here.

note

If you like overlays and filters, to get as close as possible to the original Game Boy experience, you can follow Jeltron's guide here. _{(No need to download the packs anymore, they are integrated since Onion 4.2.0).}