xemu is a free, open-source, and cross-platform Xbox emulator made by Matt Borgerson, continuing much of the work done on XQEMU. It emulates the hardware of the original Xbox game console of Microsoft, allows users to play their Xbox games on Windows, Mac and Linux platforms.

Chankast is an advanced and free SEGA's Dreamcast system emulator for Windows x86 platforms, developed by garrofi, baktery, una-i and ElSemi in 2004, released as a tribute project to the great DC console, other than a promotion to piracy. It is one of the first Dreamcast emulators to run games in a playable way, also the first Dreamcast emulator to be able to run commercial games.

The M.A.M.E. (Multiple Arcade Machine Emulator) written by Nicola Salmoria and MAME team enables us to play thousands of classic arcade games on our computer. In this way, we can relive the joy and happy memories brought by the classic video games on arcade game console in the past.

In the past, to play a game for some platform on a computer, you have to find a corresponding console emulator to run it, and the necessary settings of each emulator vary. Some are very simple, while others may be more complex. This can be troublesome even for video game lovers who are fond of doing things from side to side. Fortunately, the appearance of RetroArch makes it more convenient for playing the classic video games on various platforms (a wide range of computers and game consoles) - within the same, lick and friendly GUI, as well as unified settings (so all configuration will be done once and for all).

To play PSP games on computer, at present there are only three PlayStation Portable console emulators available: the currently best PSP emulator - PPSSPP, the earliest PSP emulator developed based on Java - JPCSP, and PCSP - a discontinued but very good PSP emulator developed by partial members from the development team of PCSX2.