Once a few years ago I was working on some internal web-based dev tools at a company. Some of the users requested a "quake console" in the browser UI (a slide-d

Once a few years ago I was working on some internal web-based dev tools at a company. Some of the users requested a "quake console" in the browser UI (a slide-down console) I took it a step further and made an iframe-embedded version of Quake deathmatch pop up when you typed the konami code. It was a hit :)