Mister Rom Packs -

are pre-curated collections of video game files (ROMs) specifically organized to work seamlessly with the MiSTer FPGA project , an open-source platform that uses Field Programmable Gate Array (FPGA) technology to replicate vintage gaming hardware at the logic level. These packs are essential for enthusiasts who want a "plug-and-play" experience on their MiSTer devices without the manual labor of sourcing and sorting individual files for dozens of different console, arcade, and computer cores. Why Use Mister Rom Packs?

: Historically the gold standard for curated layouts. While they don't distribute actual ROMs for legal reasons, their SMDB (SmokeMonster DataBase) Mister Rom Packs

For the MiSTer FPGA community, "ROM packs" typically refer to curated collections of game files and BIOS optimized for the platform's unique hardware-level emulation are pre-curated collections of video game files (ROMs)