Virtual Game Boy is the Nintendo GameBoy(tm) emulator on X-Window. Test your VGB installation with the command(default): vgb /usr/X11R6/share/VGB/CART.GB You buy the cartridges. GameBoy software is copyrighted and still sold. Therefore, its distribution is an act of piracy. Nothing prohibits you from backing up a cartridge you own and playing it on the emulator though. WWW: http://www.komkon.org/fms/