Sudden mutation of bird flu transform home birds to birds-zombie! Tricky evil roosters wanted to peck to death all live creatures! But this insanity created by Wild Boars, they grown this virus from bird blood and builded incubators to breed new infected birds. Stop this nightmare! Choose one of heroes - pink decorative pig - Pigster, old dog - Dogster, dexterous cat from Mexico - Catos or bully alcoholic goat - Goaton! Jump with a parachute and clean-up the world from infection and it creators!

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.