Have a real time in game timer before the meteor hits before you finnish the game. If you fail, you gotta start pver.
http://i.imgur.com/hRsG4.jpg https://i.imgtc.com/zZQ38Hb.jpg
http://i.imgur.com/Z4cir.gif http://i.imgur.com/qEyGS.gif https://imgur.com/37KDT