A multi-system emulator and debugger written in Rust, focused on hardware accuracy and helping you manage, preserve, and discover games. Emulates the Game Boy, Game Boy Color, Atari VCS (2600), Sega SG-1000, and ColecoVision.

Linux builds are available on Flathub. Official builds for other platforms are not currently available.

Install Rust, then:

cargo run --release

Missingno can read ROMs and save data from physical cartridges using a GBxCart RW device. On Linux, you may need to install a udev rule for the device to be accessible:

sudo cp 71-gbxcart.rules /etc/udev/rules.d/
sudo udevadm control --reload-rules
sudo udevadm trigger