For the uninitiated, MAME—the Multi-Arcade Machine Emulator—is a sprawling maze. Most casual players just grab a few ZIP files and hope for the best, but Eli wanted the holy grail: a "Full Non-Merged" collection where every game was a self-contained island, BIOS and all, ready to sail on any device from a Raspberry Pi to a Miyoo Mini . The journey began with the "ingredients": A base collection from or later.