The game itself is just a clone of the helicopter flash games. Which is probably a clone of something else. http://www.addictinggames.com/action-games/helicopt

The game itself is just a clone of the helicopter flash games. Which is probably a clone of something else. http://www.addictinggames.com/action-games/helicoptergame.jsp http://www.addictinggames.com/action-games/helicoptergame.js... I think flappy bird went viral because of the difficulty.