With it, you can download and install various emulation “cores” to the system, organize your ROMs and game files, and configure your experience through a single front end that makes emulation a breeze … once it’s set up. RetroArch is a program that acts as a hub for all your emulation needs. Best gaming laptop deals: Save on Alienware, Razer, HP and moreīest gaming chair deals: Save on Alienware, Razer, and more