Files with the PS2 extension are used by the emulator of the older PlayStation 2 video game console called PCSX2. PS2 is a file containing a complete image of a game media for the PS2 console.

Running PS2 files with the PCSX2 program allows you to use games originally released for the PS2 console on PCs. PCSX2 is a program released for Windows and Linux. PS2 games were released on CDs and memory cards dedicated to this device.