There's no need to do anything. Just press the flag and go. There is, however, a secret 'funny key' that if pressed, will do something funny. Two, actually. It takes a while for the reward to be made, but it's worth it, I promise.
Credit to xPlanet_Apollox for the recording of the sounds in the funny key sequence. Also, I used my voice for Guy. You scrolled this far down? Good grief! Here's the name of the main funny key: 6
