Bird Flu is a skill game on www.flash-game.net in which you have a snowball fight in the snowfield. Your opponents is a group of lovely penguins, you will see high snow mountains in distant location. Trees are all covered by snow. It’s a white world. Penguins come from different directions and hidden behind the trees, waiting for the time to get close to you and then, hit! So, simply point and click, hit the snowball on the penguins when they expose from the back of the trees. Your snowball is blue. If you hit the penguin, it will disappear. Be careful to avoid being hit, there will be a bank of pink snow shown in the middle screen if you are .You have four chances and when you use up them, the game is over, good luck!