Helium Floating Object Engage Combat

Who wouldn't bet in his entire life? Two guys come with and idea to fly round the world only with balloons filled with helium. Both guys stand on different side and each has the same chance. Using the arrow keys a guy moves in all the directions. He must avoid an contact with sharp items. The bugs flying around don't make the situation easier. You can choose the area where the balloon competition takes place. It's about the right moves when you have only millimetres to avoid any contact with the enemies.