Create Your Own Zany "Rube Goldberg" Devices! Go crazy with over 200 brand new gizmo-twistin' levels! Enjoy all-new elements, music, backgrounds and more. Start off in the Inventor's Training Camp to sharpen your skills. Get ready for explosive action and building fun using 100 awesome & wacky parts — including bottle rockets, cannons, bombs, and robots. The Ultimate Brain-Teazing Puzzle Game! Continuing the fun, but not including puzzles from Crazy Machines: The Wacky Contraptions Game. Features All-new levels! Brand new elements Fun for the whole family

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.