The MAME 2003-Plus team took that rock-solid 0.78 (circa 2003) codebase and backported support for newer games, fixed old bugs, and added features like save states, cheats, and better input lag. The result? A lean, mean, arcade machine that runs on low-powered devices (RetroPie, classic consoles, handhelds) while supporting a massive library of games.

A complete MAME 2003-Plus collection is more than just ROMs. To ensure a perfect experience, a full reference set typically includes:

: You can delete any game you don't want without breaking others.

When we say "MAME 2003-Plus Reference," we are talking about a specific standard of ROMset versioning.