I had a 300 games in 1 thing that had both Genesis and SNES games, and also several old PC games on the side (that's how I got to know Duke Nukem 3D). The emulators were Gens, KGen and Snes9X. My Snes9X wasn't really bad, but it emulated some sounds weirdly (like all the attack sounds in Chrono Trigger).
Those were good times. My CD broke though, because I was stupid and had it in my pocket. Then I found the same one again but it broke again. Then a few years after, I dunno how, but I kind of remembered some things about ROMs so I brushed off Google and...