This casual action horror shooter takes players through eerie farmlands and creepy cemeteries in two tense campaigns. A lone survivor of the apocalypse needs to overcome endless waves of walking zombies, skeletons and other creatures of the night. Players are armed with a wide and devastating array of upgradeable weapons. Features Intense survival horror gameplay Wield a wide array of devastating weapons Scavenge the battlefield for cool power-ups and upgrade your arsenal Two action-packed levels of gorefest fun Steam achievements and leaderboards

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.