Includes: Base Game Besiege - The Splintered Sea DLC Get the ultimate Besiege experience with the Seafarer Edition, including the beloved machine building physics game Besiege and The Splintered Sea expansion. BesiegeBesiege is a physics building game about constructing mechanical machines to annihilate armies, obliterate castles and overcome challenging obstacles. Conquer the campaign or skirmish with friends in Multiplayer!The Splintered SeaDive into The Splintered Sea expansion, introducing water to Besiege for more machine-building conquests! Battle your way through a 10-level oceanic campaign, explore an all new sandbox, and harness 8 new blocks to unleash chaos on the high seas!

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 "LIBRARY" tab and start downloading.