The phrase refers to acquiring a digital copy of the Sega Genesis game, Sonic the Hedgehog 2, in a format suitable for use with an emulator or similar software. Such files enable the playing of the classic game on devices other than the original console. A common instance involves searching online for the specific file needed to run the game on a computer.
The availability of these game files offers a way to experience or revisit classic games independent of original hardware. This accessibility allows for preservation of gaming history and provides a convenient option for gamers. The emergence of these files followed the widespread adoption of the internet and the development of emulation technology, providing methods for copying and playing older games on modern systems.