PS1 / Playstation 1 Emulators are great to have. They work perfectly if you have a semi high-end computer. In most cases, it's not needed because the PS2 and PS3 are backwards compatible. The irony is that they use emulators to play older PS1 games.

Below, are a list of emulators by rank order. Ensure to research the emulator that you are using. Note also that some emulators allow the use of plugins. These plugins help speed up the emulator by producing better graphics and sound. Try all the emulators because even older ones may work better depending on your CPU configuration.