was a popular "fork" of the original MAME that included a built-in GUI and extra features. However, it has been largely discontinued. Most modern users have transitioned to the official MAME (which now includes a robust GUI) or RetroArch with a MAME core for a similar "Deluxe" feel.
A "Deluxe" pack typically bundles the emulator with a curated set of ROMs (Read-Only Memory images) and "Extras," which often include: Snapshot/Title Artwork : Visual references for game selection. Cabinet and Control Panel Art mame plus 6000 roms extras deluxe link
At its heart, is a massive curated bundle of arcade ROMs (Read-Only Memory images) designed to work seamlessly with MAME (Multiple Arcade Machine Emulator). While many smaller sets exist, this specific package aims to bridge the gap between casual emulation and a complete, immersive arcade experience. The "6000 ROMs" Aspect was a popular "fork" of the original MAME