... launching Opal Emu here on Saturday and wanted to open things up before that. Short version: it's a retro game emulator that runs 100% client-side in your browser. Drag a ROM in, it auto-detects the console and starts playing. No install, no account, nothing uploaded anywhere. 18 systems supported (NES through PS1, Saturn, PSP, and more). A few things that make it different from "just another web emulator": Auto-detection: no console picker, it reads the file ...