Emulators work with BIOS files, and hence, you will be required to download a BIOS file that is purposely made for PS2. It replicates the hardware properties by turning it into the software. The emulator can mimic the console’s capabilities, such as controls and graphics. They must be downloaded before you can enjoy your classic game.Ī PS2 emulator will usually act as a bridge and imitate the PS2 console. Video game ROMs are usually designed specifically for an explicit console. With PS2, you can customize the resolutions even to make the games look much better. PS2 games are convertible into PS2 ISO files and PS2 ROMs to save copies of the disc games by ripping them from the primary game disc or web download.By simply typing and searching the game titles on the web, you should be able to find them. PlayStation ROMs will therefore be developed in PlayStation 2 ISO files to become the actual games and you can download it from ROMs are usually created in an ISO file format. A ROM file is a copy of an old or classic game. PlayStation 2 games for emulators are referred to as ROMs. Source: Understanding PlayStation 2 ROMs, ISO files, and Emulators