Mednafen – Powerful but unfriendly multi-system game emulator

Mednafen (short for My Emulator Doesn't Need A Frickin' Excellent Name, formerly known as Nintencer) is a free, open-source and multi-system video game console emulator for Windows, Mac and Linux platforms. It already emulates nearly 20 home and handheld game consoles from Atari to PS1 era, such as FC, MD, GB, GBA, PS, SS, PC-FX, etc.