Eternal Space Battles is a classic wave-based side-scrolling shooter with bullet hell elements. Features Storm into space battles against more than 20 types of enemies, plus challenging bosses. Buy new ships and upgrade them to get to the top of the leaderboard. Complete missions and advance through game levels to earn points and cash! More than 50 Steam achievements of varying difficulty. Earth is under attack by alien invaders. The United Earth Forces' High Command has tasked 3 superior battle spaceships, equipped with the latest in human technology, with defeating the aliens' armada. Take control of your ship, and teach that alien scum a lesson! The fate of the universe rests in your hands!

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.