MAME itself contains — it is just an emulator. To play a game, you need a ROM pack (a collection of ROM dumps). What is a MAME ROM Pack? A MAME ROM pack is a curated collection of ROM files (and sometimes other media like CHD files) that MAME can run. These files are dumps of the actual program and data chips found on arcade PCBs.
MAME (Multiple Arcade Machine Emulator) is a software project that emulates arcade game hardware. Its goal is preservation: to recreate the original hardware behavior of arcade cabinets so that the games can be played on modern computers long after the physical machines are gone. mame rom pack