Rotieer, move through the Level, rotate it and see it completly from the first second on!Solve Puzzles, find keys for locked Doors, move through Portals, ride Elevators and more…Master all of more than 100 individual Levels organized in 14 Chapters! Features Cool Soundtrack Keys Portals Elevators Fallin Cubes See the Whole Level From Start On Over 100 Levels For Pc, Mac and Linux

— Activation Details —

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.