Do not underestimate the apparent simplicity of OR because it will amaze you. In the game there will be pitfalls of every kind! The 3D graphics allows you to see the light from above. This opens up a world of possible combinations. With gameplay based around light, OR is a simplified Puzzle/Arcade game. Play through 10 worlds with progressive difficulty, let the light guide you!

— 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.