PCSX2
FreePlayStation 2 games on a PC, at whatever resolution you like
A PlayStation 2 emulator developed over more than two decades. It re-renders games originally output at 480i to high resolutions, with widescreen patches, texture filtering, save states, cheats and controller support. Compatibility covers the overwhelming majority of the PS2 library.
Why we picked it
The PlayStation 2 is the best-selling console in history with an enormous library, but those games output at 480i and look badly soft on a modern display — while the consoles and discs themselves continue to age.
PCSX2 is the platform's standard emulator, in development since 2001, GPL-3.0.
What it improves:
- Adjustable internal resolution. Games native to 480i can be re-rendered at 2x, 4x or higher internally, and with anisotropic filtering and antialiasing the gain in clarity is dramatic.
- Widescreen patches. Many PS2 titles are 4:3 only, and the community has produced extensive widescreen patches so they fill a 16:9 display properly rather than stretching.
- Save states at any moment, independent of a game's own save points.
- Fast forward and slow motion, useful for grinding or difficult sections.
- Controller support including rumble and pressure-sensitive button mapping.
- Texture replacement for community HD texture packs.
Recent versions have improved considerably in graphics backends (Vulkan, DirectX 12) and compatibility, so per-game parameter tuning is far less often required and most titles run well on defaults.
To be clear about:
- You must supply the BIOS yourself. PS2 emulation requires the console's BIOS, and PCSX2 neither provides it nor can it — you dump it from a PS2 console you own. This is a firm legal and project requirement, and downloading a BIOS from the internet is infringement.
- The same applies to games. Dump from discs you own; the project ships no game content.
- Hardware demands are real. The PS2's architecture is complex and emulating it needs strong single-core performance, with the GPU mattering at higher resolutions. Older machines will drop frames in some titles — this is not as undemanding as PSP emulation.
- A few games still have problems. An official compatibility list documents titles with graphical errors or crashes, worth checking beforehand.
- Do not download "all-in-one" packages. Bundles circulating online with BIOS and games preinstalled are both infringing and frequently carry malware. Use pcsx2.net or the official GitHub only.
One further note: several prominent emulator projects have shut down under legal pressure in recent years. PCSX2 has maintained its lawful position precisely by never distributing BIOS files or games and remaining purely an emulator. Use it on the same terms.