This is the game we made with Stephanie Mader during GGJ 2013. The theme was a heartbeat sound. To play, you need to have a mic on and listen to whatever you want, as long as it's a rythmic sound. For instance you can use a mini jack / mini jack cable to link your music player with you mic input. Or you can use a real microphone and use your actual sound ambiance. If you have a laptop webcam, you can use your.