However, it can also work with ROMs stored in ZIP files, RAR, and 7z. The emulator is compatible with the following NES ROM formats: NES, NFS, FDS and UNF. This, along with the included code debugger and a pulse modifier to change the speed of the game make this a fantastic tool for speedrunners. Plus, you can record a video of the game or extract the audio in real time while you play. One of the most surprising things about FCEUX is the possibility to play with another user locally or online. Best of all, FCEUX also includes tons of advanced tools, so you're sure to get the most out of the emulation experience. With this emulator, you can play most of the titles from the NES catalog on any PC. FCEUX is an open source emulator for the 8-bit Nintendo Entertainment System console and its Japanese version called Super Famicom.
